Google apps script documentεργασίες

...professional developer to convert my Pine Script indicator into a ThinkorSwim platform-compatible format. Key Project Details: - The original script is developed in Pine Script language, and it is primarily an indicator. - Your main task will be to rewrite the script to work efficiently on ThinkorSwim platform. You should ensure that the indicator functions as intended and displays accurate results on ThinkorSwim charts. Desired Skills and Experience: - Proficiency in both Pine Script and ThinkorSwim platform is essential. - Proven background in script conversion and platform integration. - Strong understanding of trading indicators is a plus. If you are well-versed in both Pine Script and ThinkorSwim platform and have a track record o...

I am in need of a savvy individual with experience in PDF editing to help make an information update in my document. The task will only involve text editing - no image editing or page rearrangement duties will be necessary. Details: I need the following text changed. " EXISTING FLOOR PLAN" Changed to “FLOOR PLAN FOLLOWING ALTERATIONS, DEC 2023" Ideal Skills: - Acrobat Pro proficiency; - Attention to detail; - Excellent communication skills. Excited to work with someone who can preserve the integrity of my document while updating the necessary details.

I have a PDF document that needs to be converted into a fillable form. This form will serve as an Onsite Inspection Report, and I need it to include key elements and sections that are relevant to the purpose. Key Elements: - Property details - Inspection findings - Recommendations Specific Elements to be Edited or Modified: - Text fields - Checkboxes - Dropdown menus - Signature I already have a form template, but I need someone to edit it to meet the requirements above. The goal is to make it user-friendly for data collection during onsite inspections. The form should be easy to navigate and fillable in a digital format. The ideal candidate should have experience in document formatting and creating fillable forms. Knowledge of inspection report requirements is a plus. P...

I'm looking to hire a skilled and creative graphic designer for a 5 meters wide by 2.5 meters tall trade show stand wall design. The purpose of the design is to showcase our company's branding in a modern style. Key requirements: - The design should prominently feature logo and slogans as key visual elements - It should be set in a modern style, representing ...designer: - Previous experience in designing trade show stands or large-format graphics - Strong ability to interpret a company's branding into visual designs - Proficient in modern design aesthetics Please note accuracy to our brand identity is paramount as the trade show stand will be a strong visual representation of our company. Be sure to familiarize yourself with our branding in the provided document b...

We are in need of a highly skilled Laravel expert team to continue development on existing web application! The specific Task - Requirements Document will be provided. Project will be developed by Phases(milestones). Selected team will be having opportunity to work for long term! Skills and Experience: - Extensive experience in Laravel development - Proficiency in Laravel customization and optimization - Strong understanding of Gitlab - version control !* - Strong understanding of web development principles and best practices - Ability to work on a large-scale project and deliver high-quality results - Excellent problem-solving skills and attention to detail - Database Design & Management: The ability to design and manage a highly organized, efficient database is crucial. Ski...

I'm looking for a talented developer to assist in making some changes to the the user interface of my healthcar...user experience and make it more userfreindly. This is not a "redesign" task! The staff have learnt how to use the database and I don't want them to have to need to learn their way around a whole new database... not requesting any major changes, but a few points which are mostly related to the way the information is displayed not being user friendly. I need specific changes made. Please see document attached. I'm hoping to work with someone who has experience in both database website development and user interface design. It's important to me that you understand that the way the database is used will not change for the user... these chan...

I'm in need of a talented developer to reskin a Codecanyon eCommerce script. The crucial requirement for this project involves the implementation of a custom color scheme. The desired feel must emulate a cool and minimalistic vibe to appeal to our consumer base. A developer with a keen eye for cohesive color schemes and previous experience re-skinning scripts is desired. Aesthetic value and attention to detail will be greatly appreciated in this project.

I'm in need of a mathematician and computer scientist with expertise in algorithm analysis, particularly in the field of Djikstra-like functions. The primary goal of... - The main purpose of this analysis is to validate the efficiency of the algorithm. - The results of this analysis are to be used for personal knowledge, rather than for an academic publication or software development. Ideal Candidates: - Proficient in algorithm analysis, particularly in Djikstra-like functions. - Expertise in Python for the implementation and analysis. - Ability to clearly document and present the results of the time complexity analysis. Your role will be crucial in confirming the efficiency of this Djikstra-like function, which will help me better understand its performance and potential fo...

I'm looking for a skilled Python developer who can help me implement the Google Sheets API for password protection. Key Requirements: - Utilize Python to work with the Google Sheets API. - Implement password encryption for security. - Set up a system for managing user access, with individual passwords for each user. Ideal qualities in a freelancer: - Proficient in Python. - Experienced in working with the Google Sheets API. - Knowledgeable about encryption methods for data security. - Capable of setting up user authentication and access controls. Successful delivery of this project will result in a password-protected Google Sheet that allows for unique user access.

I am in need of a freelancer skilled in document conversion and optical character recognition (OCR) to convert PDF documents to Word files for content editing. The job requires: - Converting both scanned and electronically generated PDF files. - All scanned pages require text recognition (OCR). The ideal candidate should have: - Proven experience in OCR technology. - Proficiency in converting PDF files to editable Word documents. - Attention to maintain the original formatting during conversion. - Excellent accuracy to ensure no data is lost or changed during the conversion process. - Timeliness in delivering the task. As the content will be edited afterwards, the converted Word files need to be fully editable. Any formatting should be maintained. The aim is not just to conv...

I'm looking for a skilled Flutter developer to create a cross-platform app for iOS and Android with push notifications. Key Requirements: - The app should...platforms. - The core feature to be integrated is push notifications, so experience in push notification integration will be highly valued. - The app should be designed to support future expansions and updates. Ideally, you would have: - A good understanding of mobile software development, particularly with Flutter. - Experience with push notification services and their integration within mobile apps. - A portfolio showcasing your previous projects, with a focus on cross-platform app development. Please note that the designs for the app are currently not available, so your ability to work with limited design information ...

I have a digital PDF document that needs to be converted into plain text - I'm looking to edit the content rather than preserve the formatting. I also need the content to be transferred into an Excel spreadsheet for further analysis and use. Key Requirements: - Extract text content from a digital PDF document. - Transfer extracted content into a structured Excel spreadsheet. - Ensure the formatting of the content is conducive for further editing and data analysis. Ideal Skills/Experience: - Proficient in PDF conversion tools and techniques. - Strong data entry skills, with a keen eye for detail. - Knowledge of Excel and experience in data structuring. - Ability to maintain the integrity of the textual content during conversion. - Familiarity with content editing princi...

Seeking an adept Flutter developer to create a responsive, p...thus, the ideal candidate should continue to display a wide range of skills and adaptability. Skills/Experience: - Proven experience in Flutter development - Ability to develop apps for both iOS and Android - Problem-solving skills and adaptability to different project requirements - Excellent communication skills to understand and further clarify missing details about the app's functionalities and type. Although the app's specific functionalities haven't been specified, experience in user authentication, push notifications, and in-app purchases will be seen as a bonus. check link - note - only individual developer required i will report if company do bid

As a user, I am interested in extracting Google Maps for all restaurants in UAE. I am looking for someone who can handle this task efficiently and effectively. Important details: - Accuracy: I need important information for each restaurant, such as when it opens and when it closes, the restaurant number, and people’s comments and opinions on Google Maps. -Other information: In addition to important details, I need opening hours, website URL, and reviews for each restaurant. - Filters: Any suggestions to improve the restaurant, people’s comments and what could be improved from it. Ideal candidate: - Experience: The person has experience using the web, with preference given to candidates who have worked with Google Maps data in the past. - Attention to deta...

I am seeking a freelancer who can swiftly convert a simple 1-10 page Google Document into a Word file, purely for formatting purposes. The ideal candidate should have: - Exceptional skills with Microsoft Word and Google Docs - Precise attention to detail for maintaining accurate formatting - The ability to work quickly, as this task is straightforward, only simple text is involved

Hi I will share the details with the shortlisted candidates. Thanks

I'm in need of a skilled individual to assist in setting up an SMS gateway service specifically using MSG91 for the purpose of user verification. This will involve integrating the service with both our website and mobile app. Key Responsibilities: - Set up an SMS gateway using MSG91 for user verification - Integrate the SMS gateway with...integrating the service with both our website and mobile app. Key Responsibilities: - Set up an SMS gateway using MSG91 for user verification - Integrate the SMS gateway with our website and mobile app Ideal Skills and Experience: - Proficiency with MSG91 or similar SMS gateway services - Experience in setting up user verification systems - Ability to integrate SMS gateway with websites and mobile apps - Strong communication skills and atte...

...be used for customer publications, so accuracy and cultural nuance are crucial. The ideal candidate will have: - Prior experience in technical translation, preferably in the energy sector - Native-level proficiency in both English and French - A keen eye for detail and understanding of the nuances of user manuals Your role will be to ensure that the essence and functionality of the original document are maintained while making the content accessible and engaging for our French-speaking customers. A background in energy-related topics will be a significant advantage. Please share your relevant experience and expertise in your proposal, along with a summary of your approach to translating technical user manuals. Your bid should reflect the expected quality and accuracy of the f...

I'm using WordPress as my CMS, and my website is currently verified in Google Search Console. I'm encountering an issue where the file appears to be unreachable. This is concerning, as it can affect how my website is crawled and indexed by search engines. Key points: - The file on my WordPress site is currently unreachable according to GSC. - I need a professional who can help identify the root cause of the problem and provide a solution. Ideal Candidate: - Experienced with Google Search Console and resolving technical issues within it. - Proficient in WordPress and its underlying structure. - Strong understanding of and how it impacts search engine crawling and indexing. - Good troubleshooting and problem-solving skills.

I am looking for a proficient app developer to build a real-time facial recognition app, based on Open CV, for both Android and iOS platforms. Key Requirements: - Facial recog...Previous experience with facial recognition technology is a must. - Cross-platform compatibility: The application must be functional on both Android and iOS platforms. Experience in cross-platform development would be ideal. - Real-time processing: The app should have the capability for real-time facial recognition and not merely offline processing. Prior experience with real-time processing apps is highly desirable. This project will surely require a developer who is experienced in machine learning, OpenCV, and mobile app development. If you have the necessary skills and experience, please pl...

I have a PDF document that needs to be converted into a simple text format. I will use automated spell check for accuracy assessment. Key requirements: - Convert a PDF document into text format - Ensure the output is devoid of formatting from the original document - Implement automated spell check to ensure accuracy Ideal Skills and Experience: - Proficiency in copy typing - Experience with document conversion from PDF - Ability to follow instructions for formatting - Familiarity with automated spell check tools Note: Bids with proposals on how you will maintain accuracy and quality during the conversion process will be highly regarded.

I'm looking for an Android app developer to help me create a food delivery application for a restaurant. The app will have a variety of features aimed at making the user experience seamless and functional. Key Features: - User registration and login system - Menu browsing and ordering functionality - Order tracking system for users - Time selection for order placemen...administrator, delivery boy, and user Payment Integration: - Credit/Debit Cards - Mobile Payments - Cash on Delivery Ideal Skills: - Proficiency in Android app development - Experience in integrating payment gateways - Knowledge of user interface design - Ability to create a multi-interface app - Strong understanding of database management for order tracking - Prior experience in developing food delivery apps ...

I have a Google document in PDF format that I need converted to a Word file, while keeping the formatting identical to the original. Key Requirements: - Convert Google document from PDF to an editable Word document - Preserve all formatting exactly as in the original Ideal Freelancer: - Proven experience in PDF to Word conversion - Proficient in MS Word - Attention to detail for formatting consistency

I'm seeking a skilled translator to handle the translation of various legal documents. Ideally, this professional should be proficient in the English and Spanish languages. Don't worry about any official certifications; as long as you're competent, that will be sufficient. Below are the key competencies I am looking for: - Fluency in English and Spanish - Experience with legal document translation - Strong attention to detail - Exceptional grammar and vocabulary skills - High level of professionalism If this sounds like you, bid for the project, and let's begin our working relationship.

I'm in need of a simple website to support my business. Here's what I'm looking for: Step 1: Try out and install Weekday's product i.e. . You need to create a candidate application platform similar to the interface you see. Step 2: For more details refer this -

...prior experience in content creation for kids, preferably in the field of elementary education, and have written riddles or similar engaging content before. - DELIVERABLES: You should provide 370 unique and engaging riddles suitable for 6-12-year-olds SORTED BY 9 DIFFERENT LEVEL OF DIFFICULTY. IMPORTANT: - I need each riddle & their solution to be unique. You should NOT provide me with a document where the same word is the answer to more than one riddle. - PRESENT THE ANSWERS AT THE END OF EACH LEVEL OF DIFFICULTY. Like this: >> Level 1 >>>1. [Riddle 1] >>>2. [Riddle 2] >> Level 1 Answers Sheet >>>1. [Answer 1] >>>2. [Answer 2] - PLAGIARISM IS FORBIDDEN. IT WILL BE CHECKED BY MY TEAM. It's a fun project, ...

As a product owner in the technology industry, I'm in need of an experienced professional in Google Ads. The ultimate goal of this project is to generate qualified leads and foster business growth among small to medium sized businesses. - You should have a stellar track record of setting up and managing profitable Google Ads campaigns. - Full understanding of the technology industry and experience targeting SMBs is paramount. - You'll craft, implement, monitor, and tweak the campaign as necessary to ensure our target audience is being reached effectively. - The campaign should be designed with maximized lead generation in mind. Words such as "cost-effective, increased conversion rates, and high ROI" should be part of your daily vocabulary. If you belie...

I need a freelancer to convert some PDFs into Word files. I'm looking specifically to extract text from these PDFs while keeping their original formatting as much as possible. The PDFs contain images with text, so I also need the freelancer to perform Optical Character Recognition (OCR) to extract text from the im...keeping their original formatting as much as possible. The PDFs contain images with text, so I also need the freelancer to perform Optical Character Recognition (OCR) to extract text from the images as well. Ideal Skills: - Proficiency in Adobe Acrobat Pro or similar software for PDF manipulation - Experience with Optical Character Recognition (OCR) software - Familiarity with the nuances of document formatting - Attention to detail to ensure accurate and complete ...

I need help with and Google Maps work. display data from json file to the map and allow filtering of map markers based on the form field. More details will be shared to selected bidder some one who can start rightaway

I'm looking for an experienced coder to develop a script that can scrape dynamic websites. The script should be capable of sifting through an input CSV list of URLs, and obtaining both text content and links based on specific URL criteria.

Looking for React...Interested? Let's chat Key Features: - The app should be available on both iOS and Android platforms. - Real-time sports data integration is crucial for live updates. - Users should be able to: - Make predictions on sports events - Compete in daily/weekly challenges - Follow live scores and stats Ideal Skills: - Excellent proficiency in React Native - Prior experience with sports-themed apps - Integration of real-time data APIs - Ability to create engaging user experiences for interactive games - Strong understanding of mobile app development. Your role in this project will be to collaborate with me to design, develop, and implement all the functionalities of the app. If you have a portfolio of similar projects, or can demonstrate relevant experien...

I'm looking for a highly skilled designer to develop a classic and elegant brochure template for my business. This project will also encompass the creation of three specific brochures us...must, specifically with a classic and elegant aesthetic - Proficiency in graphic design software - Ability to balance text and imagery in design - Understanding of effective educational message portrayal through design This project demands both creativity and technical skills in equal parts. If, you possess the above skills and can deliver the job on time, do reach out. I have attached a WORD document with the project specifics, one or two OLD brochures and I have pictures that can be used in the brochures as well. The pictures attached starting with DSC# are for the Residential Services...

We need a 2d cartoon hindi moral story animation video like any hindi moral story. You can take the story for the video from anywhere or I have attached the "story file". If you want, you can use it too, but do not download someone else's video and send it. The length of the video should be at least 2 minute..."story file". If you want, you can use it too, but do not download someone else's video and send it. The length of the video should be at least 2 minutes. Therefore, you can send us only one video as soon as possible. I have attached a video file for example. We will give you permanent job on salary basis. Video Ratio 16:9 If you don't understand anything you can ask us anytime link for story script 7339987509

I'm looking for a skilled developer to help me implement a passcode access system using Google Sheets API. The primary users of this system will be my external clients, who will need a user-defined passcode to access specific functions. Key project requirements: - Implement a secure passcode access system for external clients - Utilize Google Sheets API for the passcode management - Ensure that only authorized users can access the system - The passcode should be user-defined by the clients - The system should limit access to specific functions based on the user's passcode If you have experience working with Google Sheets API, developing secure passcode access systems, and can ensure a user-friendly experience for external clients, I would like to hear fr...

Project Deadline: 1 Day Project Budget: $40 Project Type: PHP (8.2 and above) Server Type: Linux Ubuntu Project Overview: We have an existing PHP script that calls the OpenAI API & outputs the decoded JSON response. We want to add Replicate API () to use the meta-llama-3-70b model & add a flag to the code to allow us to choose whether we want the PHP script to use OpenAI or Llama 3 (70B). The output format from Replicate API must match the OpenAI API response Reference File: 5* FEEDBACK WILL BE LEFT FOR YOU

I have a Google Docs document that I need converted into a Word file. The Google Docs document is a bit plain and could use a touch-up to enhance its visual appeal and professionalism. Key Tasks: - Convert Google Docs document to Word - Improve the current formatting - Enhance font style and size I need someone who understands the nuances of document formatting, especially in Word. The ideal freelancer for this job would have a keen eye for design and a good understanding of typography. A background in document formatting would be a big plus. Please include any relevant experience or portfolio samples in your bid.

I need a versatile telegram developer to work on my mob...versatile telegram developer to work on my mobile game app, created with Unity3D. Task Breakdown: - Development and integration of a payment method (E-Wallet) within the game. - Incorporation of Gcash and Paymaya as the specific e-wallet payment methods for transactions within the app. Ideal skills and qualifications: - Proven experience in Telegram development and integration on mobile game apps. - Good working knowledge of Unity3D and payment gateway integration, particularly with Gcash and Paymaya. - Strong understanding of best practices for in-app transactions and online payments on mobile applications. Please place your bids with relevant examples of past work similar to this project. Looking forward to working...

Needing a talented...maximize the conversion rate for a service-based business through our Google Ads. The main goal is to increase website traffic, generate qualified leads, and eventually boost sales. - Target Audience: The specialist should have a deep understanding of local customer behavior and how to appeal to this market. - Expertise in Google Ads: Proficiency in managing and optimizing Google Ads is essential. - Conversion Optimization: The ability to implement strategies that will enhance conversion rates is also needed. - Experience with Service businesses: Having prior experience with advertising for service businesses will be beneficial for this project. Ultimately, I'm looking for someone who can effectively manage our Google Ads acco...

I am in need of a skilled developer to build an e-commerce website using the Shopify platform. The site will be tailored to selling physical goods. Bidders should possess: - Extensive experience with Shopify, including understanding of its user interface and capabilities. - Proficiency in customising templates, optimising product pages and implementing relevant Shopify Apps. - A solid understanding of SEO best practices. - The ability to ensure seamless shopping cart integration and checkout process. - A portfolio with previously built e-commerce sites for reference. I appreciate freelancers who respect deadlines and maintain good communication. Suggestions for improving the shopping experience on the site are welcome. Looking forward to your imaginative and knowledgeable propos...

...a client, I'm interested in scraping Google Maps for all the restaurants in New Zealand. I'm looking for someone who can handle this task efficiently and effectively. Key Details: - Scraping: The primary data points I need for each restaurant include the name, address, phone number, and the unique ID associated with the restaurant on Google Maps. - Other Information: In addition to the basic details, I also need opening hours, website URL, and reviews for each restaurant scraped. - Filters: While I haven't specified any specific filters or criteria, I'm open to any suggestions you might have for enhancing the data. Ideal Candidate: - Experience: Previous experience in web scraping is a must, with a preference for candidates who have worked with Goo...

I am seeking an experienced Android developer, ideally with a strong background in UI/UX design, to revamp the user interface of my Linphone-based app and integrate a banner advertisement feature. An elegant, modern, and clean design is desirable to enhance user experience. Key requirements for the project include: - Redesign the ex...functions and ensure the redesign doesn't impact the app's performance and stability. - Integrate and properly position banner advertisements into the app while ensuring they do not disrupt user experience. The successful bidder will have a strong portfolio of Android app development, with clear evidence of UI/UX design skills and experience integrating advertisements into apps. A working knowledge of VoIP-based apps like Linphone...

I'm eager to collaborate with an experienced resume designer to revamp an existing artist's resume. I'll provide the pd...enhancing its structure, content, and formatting. Key services I need include: - Improve formatting: Let's ensure the resume looks appealing and neat. - Restructure Content: I'm after an arrangement that highlights the artist's best points. - Add/Remove sections: Let's tailor it specifically to the artist's key abilities and relevant experiences. I expect the final output in both PDF and Word document versions. Regarding the design style, I favor a minimalistic yet professional look. This project comes with a $10 budget. Ideal candidates will have a strong background in resume writing and design, as well as the ability t...

I'm in need of a skilled designer who can create a professional document template. This template will be used specifically as a description of my companies process of how we complete work for other businesses. I'm looking for someone with a keen eye for aesthetics and a strong understanding of document design. Some examples of designs I like: Key Requirements: - The template should be clean, modern, and professional - It should be easily customizable for different projects - The design should reflect the content of a typical proposal Some of my previous slide decks, etc are attach along with my logo to give you an idea on colours and stuff. I'd like for this design to be in Canva for me to use.

I need a professional specializing in digital marketing to assist with the promotion of my yet-to-be-launched app on Google Play. The app's primary function and the intended target audience weren't defined, as those details were withheld. - Ideal Skills: The freelancer should have experience in Google Play marketing, digital marketing, and working with apps that lack a specific target audience or defined primary function. Experience in app category research and wide-reaching promotional activities will be highly favorable. - Requirement: Create a comprehensive marketing strategy taking into consideration the unique situation and ensure app visibility on Google Play once launched.

I need a professional content and document creator to help me develop an application form for training center approval. The content will primarily focus on the following areas: - Name: This should be a simple field where applicants can input their full names. - Contact Information: A section where they can provide their contact details. - Training Center Details: The most crucial part of the form, this section will require them to describe their training center in detail. The ideal candidate for this project should: - Have experience in creating forms or similar documents. - Possess excellent writing skills. - Be able to deliver under a tight deadline.

...This project requires high attention to detail and strong technical knowledge of such machinery. The final product should be a digital PDF, aiming to become a definitive guide for potential customers or users. Key tasks: - Researching and gathering highly detailed information on various industrial machinery. - Presenting this information in a comprehensive, easy to understand manner. - The final document should be a digital PDF. Ideal Skills: - Proven experience in technical writing, especially around industrial machinery. - Strong research abilities. - Adobe Acrobat or other PDF creation software expertise. This job is perfect for someone who has a background in the industrial machinery sector, particularly in content creation or technical writing. Attention to detail and the...

I'm in need of a skilled professional to assist me with resolving an issue that's impacting my Google Ads. I've shared the screenshot of the google ad campaign and listed all the details. Key Requirements: - Experience with Google Ads: I need someone who has a strong background in managing Google Ads campaigns, and who is familiar with issues that can occur within the platform. - Technical Expertise: I require a professional who is proficient in identifying and resolving site compromises, and who can suggest the best course of action to take to rectify such issues. - Proactive Approach: I need a freelancer who is able to work independently in order to resolve this issue as efficiently as possible, potentially also providing guidance on how to ...

I'm seeking a skilled freelancer with experience in rewriting company policies and procedures. The task involves transforming our existing policies into a more technical and detailed format. Please check document attached before posting an offer Key Responsibilities: - Review our current policies and procedures - Rewrite them in a technical and detailed manner Application Requirement: - Please include your previous relevant experience in rewriting company policies - Familiarity with technical writing is a plus I'm looking for someone with a strong background in writing and editing, who can ensure the language stays clear, concise, and easily understandable while maintaining the technical depth needed. Experience with company policies specifically would be a great plus.

I'm in need of a 2D animator who can create a vibrant and engaging cartoon-style animation. The main purpose of this animation is educational, and it's specifically aimed at children. Key Project Details: - Style: Cartoon - Use: Educational - Audience: Children Ideal Skills & Experience: - Proficiency in 2D animation, pa...Experience: - Proficiency in 2D animation, particularly in a cartoon style - Experience creating content for children - Understanding of visual storytelling and educational content - Strong grasp of color, design, and animation principles to keep children engaged - Ability to develop characters that are relatable and appealing to younger audiences - Strong communication skills to collaborate on script development and ensure the animation is aligned...

I require professional assistance to accurately convert a PDF file to a Word document. My primary goal is editing the content after the conversion, thus demand high accuracy. The following key requirements need to be fulfilled: - The content within the PDF file is simple text with no graphs or images. - The converted Word document should maintain the exact same format as the PDF. The ideal freelancer for this job should have extensive experience in similar projects ensuring error-less and precise conversion. Proficiency in English language, attention to detail and proficiency in Microsoft Word is a must.