Automate Gmail Replies with OpenAI Assistant
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Automatically processes incoming Gmail threads, generates replies using OpenAI Assistant, and adds them as drafts. It then removes the trigger label from the processed thread.
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About This Workflow
Overview
This n8n workflow is designed to automate the process of responding to emails in Gmail. It starts by fetching threads with specific labels, then uses OpenAI Assistant to draft a reply based on the email's content. The generated reply is then added as a draft to the same email thread, and the initial trigger label is removed. This workflow is particularly useful for managing customer inquiries, support tickets, or any recurring email communication that can benefit from AI-powered responses.
Key Features
- Scheduled triggering for continuous monitoring of Gmail.
- Fetches threads based on specified labels.
- Leverages OpenAI Assistant for intelligent response generation.
- Constructs raw email messages in RFC standard.
- Encodes messages to base64 for Gmail API compatibility.
- Adds drafted replies to existing email threads.
- Cleans up by removing the trigger label from processed threads.
How To Use
- Configure Schedule Trigger: Set the "Schedule trigger (1 min)" node to run the workflow at your desired interval (e.g., every minute).
- Set Gmail Credentials: Ensure your Gmail OAuth2 credentials are correctly set up in the "Get threads with specific labels" node.
- Define Trigger Labels: In the "Get threads with specific labels" node, specify the
labelIdsthat should trigger this workflow. - Configure OpenAI Assistant: Set up your OpenAI API credentials and specify the
assistantIdin the "Ask OpenAI Assistant" node. Ensure your assistant is configured to handle email responses. - Map Fields: Verify that the "Map fields for further processing" node correctly extracts and maps the necessary fields from the Gmail thread data, including
threadId,from, andsubject. - Review Message Building: Check the "Build email raw" node to ensure the email format and content are as expected.
- Encode and Add Draft: The "Convert raw to base64" and "Add email draft to thread" nodes handle the technical aspects of preparing and sending the draft.
- Remove Label: The "Remove AI label from email" node cleans up by removing the trigger label once the reply draft has been added.
Apps Used
Workflow JSON
{
"id": "fcdf527e-e9bd-4ff7-9604-9ea0762b1017",
"name": "Automate Gmail Replies with OpenAI Assistant",
"nodes": 0,
"category": "Gmail and Email Automation",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: fcdf527e-e9bd...
About the Author
DevOps_Master_X
Infrastructure Expert
Specializing in CI/CD pipelines, Docker, and Kubernetes automations.
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