Automate HR Celebrations with Google Gemini, Sheets & Chat for Team Milestones

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Built by Dhruv Mali Dhruv Mali
Created on June 15, 2026

Description

Description

This workflow acts as your automated HR assistant, scanning for employee milestones and posting AI-generated celebration messages to Google Chat.

How it works

Daily Scan:** Checks your Google Sheet every morning to identify birthdays and work anniversaries.
AI Drafting:* Uses *Google Gemini** to write unique, warm messages for each employee, ensuring wishes never sound robotic or repetitive.
Delivery:* Automatically posts the message to your team's *Google Chat** space and logs the activity.

Set up steps

Connect Accounts: Set up credentials for Google Sheets and Google PaLM/Gemini.
Configure Settings: Open the SET-BIRTHDAY and SET - ANNIVERSARY nodes to enter your Agency Name and Google Chat API details (Space ID, Key, Token).
Prepare Data: Ensure your Google Sheet contains columns for employee names, dates of birth, and joining dates.

Nodes Used (5)

Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm
Code
n8n-nodes-base.code
Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini
Google Sheets
n8n-nodes-base.googleSheets
HTTP Request
n8n-nodes-base.httpRequest