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Identify new Google Sheets rows

TomTom
4743 views
2/3/2026
Google SheetsHubSpotAutomationData SyncCRM
Official Page

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This workflow identifies new rows in Google Sheets using a separate column keeping track of already processed rows.

For this approach to work, the sheet needs to meet two requirements:

  • A unique identifier for each row is required
  • A column used to differentiate new/processed rows is present

Our example sheet looks like this:

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So the row identifier is named ID, the new/processed column is called Processed. Update the workflow accordingly if your columns have different names.

Now if the workflow runs, it discovers all three rows as new. After processing them, it will add a timestamp to the Processed column:

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The next time the workflow is executed it will skip the existing rows and only process newly added data:

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Identify New Google Sheets Rows Workflow

This n8n workflow demonstrates a basic structure for processing data, though it currently has no active connections between its nodes. It includes a trigger for scheduled intervals, a Google Sheets node for data interaction, conditional logic, and data manipulation capabilities.

What it does

This workflow contains the following unconnected nodes:

  • Interval Trigger: Designed to initiate the workflow at specified time intervals.
  • Google Sheets: Configured for interacting with Google Sheets, likely to read or write data.
  • If: A conditional node, intended for branching the workflow based on specific criteria.
  • Edit Fields (Set): A node for transforming or setting data fields.
  • No Operation, do nothing: A placeholder node that performs no action, often used for debugging or as a temporary endpoint.
  • Start: The initial entry point for manual execution or when triggered by another workflow.

Prerequisites/Requirements

  • n8n Instance: A running instance of n8n.
  • Google Sheets Account: If you intend to connect the Google Sheets node to an actual spreadsheet, you will need a Google account with access to Google Sheets.
  • Google Sheets Credential in n8n: For the Google Sheets node to function, you'll need to set up a Google Sheets credential within your n8n instance.

Setup/Usage

  1. Import the Workflow: Import the provided JSON into your n8n instance.
  2. Configure Credentials:
    • If you plan to use the Google Sheets node, configure your Google Sheets credential within n8n.
  3. Connect Nodes (Manual Step): As the nodes are currently unconnected, you will need to manually connect them to build a functional workflow according to your specific needs. For example:
    • Connect the "Interval" node to the "Google Sheets" node to periodically fetch data.
    • Connect the "Google Sheets" node to the "If" node to apply conditional logic to the retrieved data.
    • Connect the "If" node's true/false branches to other nodes like "Edit Fields (Set)" or "No Operation, do nothing" based on your logic.
  4. Activate the Workflow: Once the nodes are connected and configured, activate the workflow to enable its scheduled execution (if using the Interval trigger) or manual execution via the "Start" node.

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