> ## Documentation Index > Fetch the complete documentation index at: https://docs.textyess.com/llms.txt > Use this file to discover all available pages before exploring further. # Knowledge Base: what the AI agents know about your store > Add brand info, Q&A, web pages and documents such as PDFs to the AI agents' knowledge base, see the synced product catalog, and learn when the AI uses new content. The Knowledge Base is the store information that your AI agents use to answer customers. Open [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). The page has the tabs **Brand info**, **Q\&A**, **Product Catalog**, **Web Pages** and **Documents**. The WhatsApp agent, the onsite agent and the voice agent use the same knowledge base. This page appears when your plan includes WhatsApp or the onsite agent. ## What the AI agent knows about your store Your AI agents know: * your product catalog, synced from your store (see the **Product Catalog** tab), * your **Brand info**, * your **Q\&A**, **Web Pages** and **Documents**, * your store's website address, * the **Operational Rules** of each agent, which you set on the agent page. The agents do not browse your website. To let them use a page of your website, such as your FAQ or shipping page, add the page in **Web Pages**. When you first connect a Shopify store, TextYess adds some of your store's information pages, for example FAQ, shipping and return pages, for you. ## Which products the AI agent can see The AI agents use the products in the **Product Catalog** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). TextYess syncs this catalog from your store. * Shopify: TextYess uses products with the status **Active**. The AI agents do not use draft or archived products. A product that is not on your Online Store sales channel is not offered to customers. * WooCommerce: the AI agents use only published products. * The agents recommend a product only when it is active and in stock. A Shopify product with **Continue selling when out of stock** counts as in stock. The **AI RECOMMENDATION** column shows **Eligible** or **Not eligible**, with the reason **Not active** or **Out of stock**. Click a product to see its **Inventory**, **Status** and **AI Recommendation**. You cannot edit products here. Change them in your store. ## How fast product changes reach the AI agent TextYess updates the catalog when your store reports a change: * a product is created, changed or deleted, * a product goes out of stock or comes back in stock. There is no other automatic sync. If your store does not report a change, the catalog keeps the old data. To fix one product, open it in the **Product Catalog** tab and click **Resync**. TextYess reads the product again from your store. To read all products again, click **Resync Catalog**. You can do a full resync once a day. A full resync does not remove products. If a product that you deleted in your store still shows, open the row menu and click **Delete**. ## Let the AI agent use your Shopify product custom fields Shopify products can have custom fields (metafields), such as material or care instructions. You can let the AI agents use them. 1. Open the **Product Catalog** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Click **Sync Custom Fields**. 3. Select the fields that the AI agents can use. 4. Click **Update**. TextYess then updates all your products in the background. The button shows for connected Shopify stores. ## Add your brand information to the knowledge base **Brand info** describes your brand: identity, mission, voice and target audience. The AI agents read it in every reply. 1. Open [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). **Brand info** opens first. 2. Write or edit the text in **Brand Overview**. The limit is 10,000 characters. 3. Click **Save Changes**. TextYess can fill this text automatically when you create your account or connect your store. It never replaces text that you wrote. If you delete all the text and save, TextYess asks you to confirm. ## Add questions and answers (Q\&A) to the knowledge base A Q\&A is one question with the answer that you want the AI agents to give. Use Q\&A for facts that customers ask about, such as shipping times, returns and payment methods. 1. Open the **Q\&A** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Click **Add Q\&A**. 3. Write the **Question** and the **Answer**. Both are necessary. 4. Optional: select a **Category**. 5. Click **Save**, or **Save and add another**. There is no character limit for questions and answers, and no limit on the number of Q\&As. TextYess prepares a new Q\&A for the AI agents when you save it. There is no processing status to wait for. ## Edit or delete a Q\&A in the knowledge base 1. Open the **Q\&A** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Find the Q\&A. The search looks in questions and answers. 3. To edit it, click the question, or open the row menu and click **Edit**. Change the text and click **Save**. 4. To delete it, open the row menu and click **Delete**. Then click **Delete** again to confirm. You cannot undo a deletion. To delete all Q\&As, open the **Q\&A actions** menu (**...**) and click **Reset all Q\&A**. To confirm, type the number of Q\&As. Export a backup first with **Export CSV** in the same menu. To group Q\&As, click **Manage categories**. A category name has a limit of 60 characters. If you delete a category, its Q\&As move to **Uncategorized**. ## Import Q\&A from a CSV file 1. Open the **Q\&A** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Click **Import from CSV**. 3. Select a CSV file with the columns `question` and `answer`. The column `category` is optional. Click **Download template** to get the correct format. 4. If your columns have other names, click **Continue to column mapping** and match the columns. 5. Click **Import**. The file can have up to 500 rows and 5 MB. Rows without a question or an answer are skipped. An import adds new Q\&As. It does not replace or remove the Q\&As that you already have. **Export CSV** creates files of up to 500 rows each, so you can import them again. ## Add web pages to the knowledge base Add a page of your website, such as your FAQ, shipping or size guide page, so the AI agents can use it. 1. Open the **Web Pages** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Click **Add web page**. 3. Paste the address of the page. It must start with `http://` or `https://`. 4. To add more pages, click **Add another URL**. 5. Click **Add pages**. TextYess reads only the page that you enter. It does not follow the links on that page, so add each page separately. TextYess keeps a summary of the information that is useful for customer service, not the full page text. The status shows **Pending**, then **Completed** or **Failed**. The AI agents use the page when the status is **Completed**. ## Update or delete a web page in the knowledge base TextYess does not read your web pages again automatically. When you change a page on your website, add the same address again in **Web Pages**. TextYess reads the page again and replaces the old content. To delete a page, click the trash icon in its row. Then click **Delete** to confirm. TextYess removes all the content that it got from that page. If a page shows **Failed**, TextYess could not read the page or found no content. Make sure that the page is public, then add the address again. ## Upload documents and PDFs to the knowledge base You can upload files, such as a PDF catalog or a size guide, to the knowledge base. 1. Open the **Documents** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Click **Upload documents**. 3. Select one or more files. You can upload up to 10 files at the same time. 4. Click **Upload files**. Supported files: PDF, Word (.docx), PowerPoint (.pptx), Excel (.xlsx), HTML, EPUB, and images (PNG, JPG, GIF). The limit is 50 MB for each file. Files such as .doc, .txt, .csv and .webp are not supported. TextYess reads the text of the file, also from scanned pages and images. It uses only the text, not the pictures. The status shows **Pending**, then **Completed** or **Failed**. The AI agents use the document when the status is **Completed**. ## Delete a document from the knowledge base 1. Open the **Documents** tab of [Agents → Knowledge Base](https://ai.textyess.com/knowledge-base). 2. Click the trash icon in the row of the document. 3. Click **Delete** to confirm. TextYess removes all the text that it got from the document. You cannot undo this. To replace a document with a new version, delete the old file and upload the new one. If a document shows **Failed**, TextYess found no text in it or could not read it. Delete it and upload the file again, or upload it in another supported format. ## How long until the AI agent uses new knowledge * **Q\&A**: as soon as you save it. * **Web Pages** and **Documents**: when the status changes to **Completed**. Refresh the page to see the new status. * **Brand info**: the WhatsApp agent uses it in the next reply. The onsite agent can take up to 5 minutes. The voice agent gets it after an automatic update. * **Operational Rules**: after you click **Publish** on the agent page. The onsite agent can take up to 5 minutes. The AI agents do not read all your knowledge for each reply. For each customer question, they search your Q\&A, web pages and documents and use the entries that match best. This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.