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Synthflow AI · Google Sheets Guide

Build a Synthflow Knowledge Base From a Google Sheet of Document URLs

May 13, 2026
4 min read
See the Excel version →

The Scenario

You are a customer support team lead. Your new Synthflow support agent goes live in three days. The agent needs to answer product questions accurately from day one.

You have 10 product FAQ documents. Their URLs are listed in a Google Sheet. You need a Synthflow knowledge base created and all 10 documents attached before the agent is assigned to the support line.

The slow version:

  • You create the knowledge base manually in the Synthflow dashboard
  • You paste in the first document URL, wait for it to process, move to the next
  • On document 6, the interface times out
  • You are not sure which documents are attached and which are not
  • You finish the setup three hours later, unsure whether the agent will actually reference all 10 sources.

The fast version is one prompt.

The Easy Way: One Prompt in SheetXAI

SheetXAI is an AI agent inside your Google Sheet that creates the knowledge base and attaches every document in the list in one pass, so you never have to navigate the Synthflow UI for each individual URL.

Open the SheetXAI sidebar and type:

Create a new Synthflow knowledge base named 'Product FAQs', then for each URL in column A of this sheet add it as a document source to that knowledge base. Write the confirmation status for each document into column B.

SheetXAI creates the knowledge base, attaches each URL from column A in sequence, and writes the confirmation into column B. When it finishes, you can see which documents were attached successfully and which flagged an error before the agent ever goes live.

What You Get

A completed knowledge base setup with full visibility in the sheet:

  • Column A — document URLs (unchanged)
  • Column B — attachment confirmation status per document, or an error flag

You do not have to click into the Synthflow dashboard to verify. The sheet tells you which documents are in the knowledge base. If two URLs returned errors, column B shows exactly which two, and you can fix the URLs and rerun just those rows.

What If the Data Is Not Quite Ready

Document lists have gaps. SheetXAI handles them inline.

When some URLs in the list are broken or redirecting

A few links in your sheet go to old documentation pages that have moved.

Before attaching documents to the knowledge base, check each URL in column A for a valid HTTP response. Write the HTTP status code into column B. Skip any URL that returns a 404 or redirects, and note it as "invalid" in column B.

When the knowledge base name should come from a cell

The team has a naming convention and the knowledge base name is already written in cell A1.

Create a new Synthflow knowledge base using the name in cell A1. Then attach each URL in column A starting from row 2 as a document source. Write the attachment status into column B.

When you have multiple knowledge bases to create from different tabs

The Support tab has support FAQs, the Sales tab has sales FAQs, and the Engineering tab has technical docs.

For each tab in this workbook, create a separate Synthflow knowledge base using the tab name as the knowledge base name. Attach each URL in column A of that tab as a document source. Write attachment status into column B for each tab.

When you need to attach documents to an existing knowledge base, not create a new one

The knowledge base already exists. You are adding new documents from this quarter's update.

Attach each URL in column A of this sheet to the existing Synthflow knowledge base with ID [KB_ID]. Write the attachment confirmation into column B. Skip any URL that already exists in the knowledge base.

The pattern: knowledge base setup is not a click-through task, it is a list operation. One prompt, ten documents, full status tracking.

Try It

Get the 7-day free trial of SheetXAI and open a sheet with document URLs in column A, then ask it to create your Synthflow knowledge base. The Synthflow integration is included in every plan. For related workflows, see how to bulk-provision Synthflow agents from a spec sheet or the Synthflow AI in Google Sheets overview.

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