Zen cart import products csv jobs

I'm seeking an experienced Google Script specialist to automate tasks and manage data for my project. Here are the specifics: Automating tasks: Your main responsibility will be to automate data import/export processes using Google Script. I need to take the data attahed to a daily email in excel format, upload this data (and historic) to a data base and then allow to consult that data from different spreadsheet in google with a query. Ideal skills and experience include: - Proficiency in Google Scripts and automation - Experience in data management - Google spreadsheet analisis reports If you have the needed expertise, I'm excited to work with you!

I am looking for a skilled freelancer, adept in ETL (Extract, Transform, Load) operations. In this project, your task will be to extract CSV files from an SFTP server and load them onto a SharePoint Document Library. Key responsibilities: - Source the data from the SFTP server. - Ensure accurate and smooth extraction of CSV files. - Successful Load of the data to SharePoint Document Library. Ideal candidate skills and experience: - Solid background in ETL operations. - Prior experience with SFTP servers. - Proficiency with working CSV files. - Familiarity with SharePoint Document Library.

I'm in need of assistance for importing physical products to my WooCommerce store. The main requirements of the project are as follows: - **Product Import:** I have a feed of physical products that need to be imported into my WooCommerce store. - **Filtering:** These products should be filtered based on their category before being imported. - **Product Updates:** Once imported, the system should update product prices and stock regularly, and add any new products to the store. This process should be automated and occur every hour. I'm looking for a freelancer with the following skills: - Strong experience with WooCommerce, including product importing and updating - Proficiency in creating smart filters for product selection - Automation expe...

I'm in need of an experienced mobile app developer who can help me create a cross-platform e-commerce application for both iOS and Android. The app will be geared towards facilitating online shopping experiences for users. Key Features: - Product Catalog: The app should have a user-friendly interface that allows for easy browsing and searching of various products. - Shopping Cart: A critical component for any e-commerce app, the shopping cart feature should allow for item selection, quantity adjustment, and a smooth checkout process. - User Profiles: Users should be able to create and manage their profiles within the app, including personal details, order history, and saved payment methods. Ideal Skills and Experience: - Proficiency in mobile app development for...

I am in need of a skilled developer to build a comprehensive e-Commerce platform that facilitates multiple sellers. - The platform should include all standard e-Commerce features such as product search, filtering, a shopping cart, and a secure checkout system. - Vendor management capabilities are essential to allow multiple sellers to sign up, list their products, and manage their sales independently. Please note that the details on the expected number of vendors and the shipping system are not provided. Hence, the system should be scalable and adaptable to accommodate a potentially large number of vendors and flexible shipping options. Ideal candidates for this project should have a strong portfolio of e-Commerce app development with multi-vendor functionality....

I'm in search of an individual familiar with iris elements to assist with troubleshooting issues concerning logging in with HMRC for VAT. My situation requires: - Mastery in how to operate the iris elements' functionalities for data import, analysis and reporting, and visualization. - An impressive level of experience dealing with issues related to logging in with HMRC for VAT. - A sound understanding and working knowledge of the VAT account features on the HMRC platform. While I do have an existing HMRC account for VAT, I am currently facing difficulties. The project's essence is to resolve this issue, optimally with minimal impact on my VAT returns activities. If you find your skills in alignment with my needs, please freely bid for this task.

I'm seeking a skilled Drupal expert to help me to export form submissions from the Drupal website to csv More details will share - Implement a user-friendly CMS system with Drupal - Ensure the system is easy to navigate for non-technical staff - Customise the CMS to suit our business needs Ideal Skills and Experience: - Proficient in Drupal CMS - Prior experience setting up content management systems - Ability to tailor CMS systems to specific business needs - Good communication skills to ensure our team can effectively use the CMS.

I need an efficient and experienced professional who has a good understanding of Google Sheets and data analysis and entry. Specifically, I need: - Creation of PLP by Copying-Paste Data entry. - Searching a Google sheet for specific products that should be on that PLP - Manually adding each product to that specific PLP based on the results from the sheet A full and detailed brief is available.

...with BigBuy and other popular dropshipping platforms such as AliExpress and Oberlo. Payment System: Support for multiple payment methods including credit cards, PayPal, and local payment methods. SEO Friendly: Optimized for search engines to ensure good online visibility. Mobile Friendly: Fully responsive, ensuring functionality on mobile devices and tablets. E-commerce Functionalities: Shopping cart, product search, categorization, filters, and recommendation system. Security: Robust security measures to protect transactions and user data. Deliverables: Complete source code of the website. Documentation on the structure and maintenance of the site. User guide for daily site operation. Selection Criteria: Experience with integration on the BigBuy platform. Experience in develop...

I'm looking for an expert who can seamlessly integrate Bask(CRM and Sales platform to) Klaviyo Flow via webhooks. Your task will involve creating an integration that can autom...to) Klaviyo Flow via webhooks. Your task will involve creating an integration that can automate email campaigns, collect customer data in real time, and track customer engagement effectively. The primary platforms for the project include Bask(only for webhook functionality) and Klaviyo(primary platform). The triggers for the Klaviyo flow API integration include: - Placing an order - Abandoned cart The ideal candidate should have prior experience with Klaviyo. They should also have a deep understanding of API integrations and webhooks, and be able to implement practical and efficient solutions to com...

I'm urgently looking for a web scraping expert who can help me gather information from various medical service p...names, contact information, medical service details, and additional data such as phone numbers, specialties, and participating plans. - The information should be pulled from three specific websites - Website 1, Website 2, and Website 3. Your deliverable: - The scraped data should be compiled into a CSV format for easy analysis and integration into our system. Ideal Skills: - Proficient in web scraping and data extraction - Advanced knowledge in handling and exporting data formats like CSV - Experience in scraping medical websites or similar domains would be a plus. Please bid only if you can start immediately and provide a quick turnaround on this urge...

... then complete the purchase on our platform. Key Features: - Seamless Integration: Our site seamlessly integrates with major marketplaces like Amazon. - Automated Purchases: Once a user selects a product, our site automatically processes the purchase. - Dynamic Pricing: The site detects the user's country, calculates delivery costs, and adds a commission. - Dropshipping Model: We do not import products; instead, we display them directly from the marketplace page using iframe HTML tags. We prefer to build the site using WooCommerce or WordPress for flexibility and ease of management. **Requirements:** - Proficiency in WooCommerce/WordPress development. - Experience with iframe HTML tags and dynamic pricing. - Ability to integrate with major marketplaces. - Understa...

...technology to generate unique and catchy product descriptions that will attract customers and boost sales. - Service Description Generation: In addition to product listings, the AI should be able to create engaging service descriptions for the variety of services we offer. - Customer Review Generation: The AI system should also be able to generate authentic and believable customer reviews for our products and services. Experience and Skills: - Proven Experience with AI Integration: You should have a solid background in working with AI technologies and implementing them in ecommerce platforms. - Ecommerce App Development: Experience in developing ecommerce apps, particularly in integrating innovative features like AI-generated content, is crucial. - Content Generation: A backgrou...

You are asked to create an Excel file (FILE A) that: 1) Automatically extract data from another Excel file (FILE B) which is located in an FTP folder and which is updated every day. 2) The FILE A must extrapolate the data from the FILE B based on some filters that can be set or changed. For example, a filter could be the Brand or the Price. 3) The output (FILE C) of FILE A must be a .CSV file composed of 3 columns: SKU, Quantity and Price. 4) The final part is that this FILE C is saved inside another FTP folder. This entire 1+2+3+4 process must be done automatically every day at a certain time without the intervention of an operator.

I am seeking someone who can fix my conversion health on Pinterest. I have s Shopify store connected to Pinterest and it's pinging a conversion health error due to the following errors: Add To Cart We are detecting this event, but at least one parameter needs action. Product ID Too few of the Product IDs included in your Add to Cart events match the Product IDs in your Catalog. Checkout We are detecting this event, but at least one parameter needs action. Product ID Too few of the Product IDs included in your Checkout events match the Product IDs in your Catalog.

...API documention: Our website: You'll see that our site is just a reflection of the Stuller catalogue, this is because it's using IFrames WHAT WE WANT: -For our site to look and feel like or something similar -To have access to the Stuller catalogue with Shopify's functionality -A shopping cart -A custommer service chat box -For the site to update it's inventory based on Stuller SOME THINGS TO NOTE: -Shopify has a payment integration system -We'll be based in Canada and the States for the only currency to worry about for now is U.S and CAD The amount of categories are similar to the ones found on our IFrame website. The flexible budget is to accomodate a variety of results, from having

Info attached for the logo design

I'm in search of a skilled machine learning developer with expertise in GPT (Generative Pre-trained Transformer). My goal is to have an AI model that can both correct and standardize postal addresses. The addresses will be provided in CSV files and the output of the model should be accessible via an API for integration into our system. Key requirements: - Proficiency in machine learning with a focus on GPT - Experience in addressing data correction and standardization - Ability to work with CSV files - Familiarity with API integration - Strong communication skills for seamless collaboration The ideal candidate will have a proven track record of developing AI models, particularly in the realm of addressing data, and be able to provide a detailed timeline for the complet...

...air pollution modelling using RStudio. The primary tasks for this project include: - Data Collection & Analysis: I need help in collecting relevant data on air pollution and subsequently analyzing it. - Result Visualization & Interpretation: After the data analysis, I require support in visualizing the results and interpreting them. The data that will be provided to you for this task will be in CSV format. Therefore, you should be well-versed in handling and analyzing data in this format. The ideal candidate for this task should have a strong background in data analysis, particularly in the context of environmental science or air pollution. Proficiency in RStudio is a must, as this is the primary tool that will be used for the modelling activities. Your role in thi...

...now-defunct WordPress eCommerce site that exists on archive.org. Although the general layout and look are there, the site isn't fully functional. I need someone skilled in WordPress to get it back up and running. MAIN PURPOSE: The primary focus of this website will be e-commerce. Your experience in developing and maintaining eCommerce sites will be critical. REQUIRED E-COMMERCE FEATURES: * Shopping Cart * Payment Gateway * Product Listing The website is called orrana.com. The last time has data regarding the site is this: :// Attached is a video showing part of the site as it looked when it existed. With your skills, experience, and understanding of WordPress and eCommerce principles, we can reinstate this website to

I'm looking for an expert to configure my Odoo system to manage digital products and services, particularly in the aspect of types such as consulting, maintenance, etc. The ideal candidate should possess a strong understanding of Odoo and its various functionalities to help me establish an effective and favored digital products/services management. Key requirements: 1. Product Management: Configure odoo to handle digital products and service offerings, categorized by type for easy identification. 2. Skillful navigation of the Odoo interface: The freelancer should be experienced using Odoo and customizing its features. 3. Though the specific functions for managing services were not stipulated, the candidate should be open to discussing the required specifics furt...

Telegram Manager support * Chatting on Telegram (sales) * Fix payout + BIG commission Interested? You can start today. It's up to you how much you make.. On average, you can earn $50-$100 a day in commissions + fix hourly rate. Telegram experience welcome + you'll be working on the HubSpot app so we can measure your results

...with a custom T-shirt designer page and a stylish shop store. - T-Shirt Designer Page: - The primary function of this page is to enable my customers to create personalized designs. - I want it to be user-friendly and intuitive. - Stylish Shop Store: - I need a product catalog with filters, making it easy for customers to browse and find what they're looking for. - A shopping cart and checkout system are essential for a smooth purchasing process. Integrations: - The website will need to integrate with a payment gateway. - Additionally, it should integrate with a shipping service to handle order fulfillment efficiently. Ideal Skills: - Proficiency in Wordpress website design and development. - Experience in creating custom e-commerce websites wi...

I need someone to troubleshoot and fix the credit card payment module in my Prestashop online store. Key Points: - The issue lies in the credit card payment form. After submission, incorrect price details are shown. T...credit card payment module in my Prestashop online store. Key Points: - The issue lies in the credit card payment form. After submission, incorrect price details are shown. This is causing confusion for customers and leading to abandoned carts. - The form seems to be processing the credit card details correctly, as none of the fields needed formatting. The problem is when customer go back to the cart and change quantity and/or add new product. Final price is not updated. Please bid with your relevant experience and an outline of how you would approach solving t...

As a client, I'm seeking a seasoned data analyst with expertise in data science who can thoroughly clean, preprocess, and visualize a dataset sourced from CSV files. The chosen candidate: - Should first start with cleaning and preprocessing the data to create a reliable foundation for analysis. - Should then interpret and present that same data through meaningful visuals to explore its intricate properties and characteristics. - Should additionally facilitate statistical analysis to derive patterns and trends otherwise invisible to the naked eye. The hoped-for end-product of this project is not just predictive analytics but insight and data-driven recommendations that will inform future decision-making. Proficient use of Python or R for these tasks is essential, as is familia...

I am in need of a professional who can proficiently set up new tags for my Shopify store. Specifically, I require someone with expertise in setting up Ecommerce conversion tags. A critical task in this project is implementing 'Add to Cart' and 'Purchase' tags and ensure its proper working. Task must be done remotely, AD or TV

I'm seeking a professional to enhance the speed of my WooCommerce website. Currently, I'm quite happy for page loading speed overall, but add to cart takes 6 seconds on mobile device. The task is to optimize the site so that the add to add to cart loading time is as small as possible (3 seconds or less) for effective woocommerce site. Key tasks include: - Diagnosing and rectifying bottlenecks that could be affecting the website's performance, ensuring the site is optimized to top speed. - Implementing strategies to enhance server response time, ensuring that the server is well configured and responsive. - Improving the overall performance to ensure that the website delivers a fast and seamless user experience. The ideal freelancer for this project should ha...

I'm in need of a VtigerCRM developer who can create automated Sales Orders in my system based on certain conditions. Specifically, I need: - Sales Orders to be triggered by the creation of a new contact,...Sales Orders based on the contact type, specifically through the selection of a relevant product or service. Please note that the level of integration required with existing systems has not been specified by the user. This could involve: - Data import/export - Real-time synchronization - API connections Ideal skills for this project include: - Proficiency in VtigerCRM - Strong understanding of VtigerCRM automation and customization - Previous experience with creating automated Sales Orders - Ability to integrate with external systems (data import/export, API connec...

I'm keen on launching an e-commerce platform, look for professionals who c...on launching an e-commerce platform, look for professionals who can blend functionality with aesthetics. Primary requisites for my platform include: * User Registration and Login: This will enable users to create their personal accounts on our platform. * Shopping Cart: A shopping cart is needed for users to save items they wish to purchase. * Product Search: A seamless and efficient product search option that will allow users to find their desired items conveniently. This project is aimed towards accommodating 100-500 products initially. Prior experience in creating e-commerce platforms is highly beneficial. Proficiency in user experience design and knowledge of effective product sear...

As an e-commerce business owner, I am seeking a skilled web designer to create a functional and aesthetically pleasing e-commerce website for my digital products. Key Functionalities: 1. User Registration and Login: Incorporate a secure user registration and login system which is easy and straightforward for customers to use. 2. Shopping Cart and Checkout: Ensure smooth navigation for users from adding products to the shopping cart until the payment and checkout process. This should also include an intuitive and secure payment system. 3. Product Reviews: Enable customers to leave ratings and reviews for each digital product handled by the site. Ideal skills and experience: - Proven experience in designing e-commerce websites - Knowledge of the latest web ...

fixing the import/export function of cars of vwe platform on The connection with VWE runs via the following portal: manual: (they now use POST option) (logins below) In the "status" tab I can indicate to which URL this link forwards the data. In the "sandbox" tab you can also test the link to your own URL. As you can see, the link pushes all data to This is the script that can be found on the file server that ultimately receives the data and processes it in Wordpress. The Incremental link makes a POST request to this script containing the data. In the script you see 3 types of actions in a switch: Add (new vehicle) Change (vehicle exists, adjustment is being pushed) Delete

1 excel import task. and fix minor issue in db. Able to work with ftp. Follow and start Immediately

...conversions. The site will need 5-10 pages designed in total. Keep in mind that the Purchased them has taken care of a lot of design you will mostly just need to use the elements already provided by the theme for the design. so it should be quick and easy for an experienced designer. Key components & requirements: - E-commerce features: I would like the website to have a shopping cart to sell hair products, payment gateway integration for seamless transactions, and an appointment-based booking system. - Appointment-based booking system: This should allow existing and potential clients to easily schedule appointments with me, with the option for me to manage the availability. Skills & experience needed: - Proven experience in designing and developing e-commerce...

I'm looking for a skilled graphic designer to create an elegant, high-resolution logo for my UAE-based import and export company. Key features of the desired logo design include: - Being simple yet striking - Employing a color scheme of classic black and white - Created in such a way that it is usable in various formats (pdf, png, transparent, etc) and is easily printable and designable - Providing a few different options for me to choose from The ideal freelancer for this job should demonstrate: - Significant experience in graphic design, preferably with a portfolio of logo designs - Excellent understanding of color theory - Proficiency in design software such as Adobe Illustrator or Photoshop - Attentiveness to detail - Prompt communication and amendability to feedba...

I need a wide range of details about accommodations on , downloaded for analytical purposes. This data should include r...data should include room availability, pricing, customer reviews, accommodation rate variances, photos, addresses, and phone numbers. - Essential Skills and Experience: 1. A strong understanding of web scraping tactics and data extraction. 2. Proficiency with 's platform and data structures. 3. Data organizing skills to deliver finalized data in CSV format. The outcome I envision is a well-organized CSV file that can further my research and analysis goals. A successful delivery will require attention to detail to ensure all requested information is included. Please bring forward your innovative solutions and reliable data handling methods.

I'm in need of an experienced website developer to create an e-commerce website for my service-based business. Key Features: - As the website is e-commerce focused, it will require a shopping cart and payment gateway integration. - User reviews and ratings may be a beneficial feature to add, so experience with implementing this would also be a plus. Product Type: - The website will be primarily selling services, rather than physical or digital products. Ideal Candidate: - Proficient in e-commerce website development. - Familiar with integrating payment gateways. - Experience with user reviews and ratings systems.

I need help with troubleshooting a persistent issue on my WordPress website. The problem centers around my Woocommerce setup, specifically affecting physical products. When customers add items to their cart, the items are prone to disappearing, leaving the cart empty. Key tasks include: - Identifying the root cause of this issue - Implementing a fix to ensure items remain in the cart Ideal candidates will have: - Extensive experience with WordPress and Woocommerce, particularly in debugging and problem-solving - A track record of successfully resolving similar cart-related issues in the past - The ability to work promptly and efficiently, as this issue is affecting the user experience on my site.

I'm seeking a coder who can create a custom script for my Airtable database. The primary functionality I'm after is the ability for the script to import and export data, specifically from and to an Airtable form. Key requirements: The script must be able to read and parse out a paragraph of information from an Airtable form to effectively break out each payment. Ideal candidate will have: - Profound experience with Airtable: You should be well-versed in Airtable's functionalities and have hands-on experience creating custom scripts. - Scripting expertise: Strong background in creating automated scripts for data import/export tasks, particularly within the Airtable environment. - Attention to detail: The ability to ensure that the script operates accurately ...

I'm looking to have my website, , optimized to sell both my books and consulting services. The desired payment system is PayPal. The project entails: - Integrating PayPal as a payment option - Adding an “add to cart” button for each item - Separate pages for each book, with a single listing for services Requirements: - Proven experience in website optimization - Proficiency in integrating PayPal into a website - Understanding of e-commerce best practices - Excellent problem-solving skills Follow-on work is available for 6 months post completion. Only flat fee bids will be accepted. Looking forward to the beginning of this exciting project. Robert Popovich

Hello, I am looking for someone to program me a personalized comments system, the system has a slider, a selector, etc. I am looking for an expert to do it and then import comments to each of the entries from a json.

I'm seeking a professional who can build my online store website and applications from scratch. phase 1 : website (how much) phase 2 : android app (how much) phase 3 : iOS app (how much) phase 4 : admin app and delivery + affiliate marketing and shops app (how much ) phase 5 : shipping system integration Critical requirements include: - Integration of functionalities like a shopping cart system, user registration process, product review system, and additional features like a delivery system and an affiliate marketing system. - Leveraging the logo and branding assets that I already possess. Ideal skills and experience: - Expertise in developing custom-built solutions as opposed to WordPress or Shopify. - A strong understanding of the necessary e-commerce functionaliti...

I'm in need of a skilled web designer to create an appealing and functional e-commerce website. Key Functionalities: - Shopping Cart: A well-designed and user-friendly shopping cart system that makes it easy for customers to add and manage products. - User Registration: A seamless user registration process that ensures a smooth shopping experience and allows for customer accounts. - Product Search and Filter: A search and filter feature that enables customers to easily find products based on categories, keywords, or other relevant criteria. Other Requirements: - Multilingual Support: The website must be designed to support multiple languages to cater to a diverse customer base effectively. Ideal Skills: - Proficient in e-commerce website design, with a ...

I'm in need of a skilled full-time developer who has an array of skills including ...App development. - Background in e-commerce platforms. - Demonstrate proven experience in similar roles. Key Tasks: - Product Catalog Management: You must be skilled in creating a user-friendly interface to display our products. - Shopping Cart Functionality: Create a seamless shopping experience for our users. - Payment Integration: Safely and securely integrate online payment systems into the platform. - Order Tracking: Implement a system that allows customers to track their orders. - Customer Review Interface: Set up a section where customers can leave reviews for products. This is an excellent opportunity for a seasoned developer looking to step into a full-time role for a ...

I'm in need of a skilled full-time developer who has an array of skills including ...App development. - Background in e-commerce platforms. - Demonstrate proven experience in similar roles. Key Tasks: - Product Catalog Management: You must be skilled in creating a user-friendly interface to display our products. - Shopping Cart Functionality: Create a seamless shopping experience for our users. - Payment Integration: Safely and securely integrate online payment systems into the platform. - Order Tracking: Implement a system that allows customers to track their orders. - Customer Review Interface: Set up a section where customers can leave reviews for products. This is an excellent opportunity for a seasoned developer looking to step into a full-time role for a ...

I'm seeking an expert in branding for incense products who can craft my brand identity with logo, packaging, and website design. Only applicants with previous experience in this niche and a portfolio of such work will be considered. Key Responsibilities: - Develop a unique, cohesive brand identity covering logo, packaging, and website design - Tailor the design elements to resonate with the target audience Ideal Candidate: - Proven experience in branding for incense or related products - Strong portfolio showcasing past logo, packaging, and website designs - Understanding of the incense market and its consumers Please apply with your prior work in this field, and let's create a brand that stands out in the market. Must have UK Incense Market Knowledge

The project involves: 1. Go to an FTP location and get the last 10 csv files. Input example attached as '' 2. Combine those newest 10 files and map to new structure. Mapping example attached as '' 3. Save new file as 'BooksRunImport YYYY-MM-DD ", place in production folder "C:LakesideBooksClientDownloads" as tab delimited .txt, with an additional copy in folder as a backup. Output example attached as '' I would prefer it be written in NodeJS and compatable with v14.16.1 as I am familiar with how to edit the structure and I have other similar scripts running. I will supply FTP location and login as well as folder locations.

...minimalistic design that can make the presentation more appealing without diverting too much attention away from the content. - Layout: The slide layout needs improvement. It looks cluttered and unorganized at the moment. It'd be great to have it arranged in a clear, straightforward manner to accentuate the important points and make it easy for the audience to follow from one point to another. Please import icons or logos to improve the presentation. Leave spaces where you think it would help to have my photo or other content. - Formatting: The text, graphs, and flow charts appear messy. I need them to be formatted in a formal, professional style which enhances readability and ensures consistency throughout the presentation. The flow charts in there are basic - please impr...

I'm looking for a skilled developer to create a one-time scraper for the TruePeopleSearch website. The scraper should focus on extracting addresses and phone numbers, and the output should be in CSV format. Key Requirements: - Develop a scraper for TruePeopleSearch - Extract addresses and phone numbers - Output the data in CSV format Ideal skills and experience for this project: - Proficient in web scraping - Experience with scraping tools and techniques - Proficient in CSV formatting - Understanding of data extraction from websites

I am seeking a skilled professional to expediently install a pre-purchased Shopify theme on a new online store that will sell physical products. The online store will feature a wide range of product categories, from 1 up to 100. Key Requirements: - Shopify theme installation experience - Knowledge in online retail stores - Ability to structure the site to handle 1-100 product categories effectively - Fast and efficient worker The ideal freelancer for this job will have prior experience with Shopify, an understanding of eCommerce, and have the capability to handle a wide range of products.

...look like newspaper publication - we are a small family business which owns magazine publication company. 2. The site should provide a shop - this should allow the customer who clicks onto the products or services to directly to go the vendor site using cookies which will then enable us to become or earn affiliate commissions. We need to be having the best update technology which can give us commissions from using affiliate services/ methods. 3. The website must earn revenue from affiliate marketing, each products we advertise should earn us revenues by allowing the cookies to deliver, we must use the best technology for our site. 4. The site must earn revenue from ads, using many updated technology for our site, you should implement the best