Automated employee attendance & salary deduction with Google Sheets and GPT-4

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Best for

HR automation workflows
AI Summarization automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.scheduletrigger, n8n-nodes-base.code, n8n-nodes-base.googlesheets, n8n-nodes-base.merge, @n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.stickynote, @n8n/n8n-nodes-langchain.agent, n8n-nodes-base.emailsend

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Mohamed Abubakkar.

Original n8n.io source

1.1 Workflow description

Title: Automated employee attendance & salary deduction with Google Sheets and GPT-4
Workflow name: Automated employee attendance & salary deduction with Google Sheets and GPT-4

Overview

This workflow is designed for HR teams and payroll department to automate the monthly process of calculating employee attendance, salary deductionsm and personalized email notification. It seamlessly integrates Google Sheets, internal attendance data and GPT-4 (via AI Agent) to generate complete monthly payroll reports with professional summaries for each employees.

Prerequisites

Before using this workflow, ensure you have:

A Google Sheet with the monthly attendance logs
A secong Google Sheet containing salary, employee names and email addresses.
Gmail or SMTP credentials for sending email
OpenAI API key (for summarization)
Crendentials for Google Sheet and Gmail Integration

Google Sheet Structure

1. Attendance Sheet (Daily Log)

EmpId	Name	Date	InTime	OutTime	HoursWorked	Status

2. Ouput Sheet (Generated by Workflow)

EmpId	Name	OriginalSalary	TotalMissingHours	TotalAbsentDays	Deduction	FinalSalary	EmpEmail

How It Works

1. Retrieve Attendance & Employee Master Data

The workflow fetches all employee attendace logs and thier corresponding salary, name and email details from Google Sheets.

2. Calculate Work Hours & Absences

The workflow computes total worked hours per day, missing hours and identifies absent days, It then calculates the total missing hours and absences for the entire month.

3. Salary Deduction Calculation

Each employee's hourly and daily rate is determined from thier salary, and deductions are calculated based on missing hours and absences.

4. Prepare Final Dataset

A structured JSON dataset is generated combining attendace summary, deductions and final salary amounts.

5. Generate AI Summary Report (GPT-4)

Using AI Agent GPT-4 creates a professional, HR-friendly summary paragraph for each employee's email report.

6. Send Salary Deduction Report Email

Each employee receives a personalized email with thier final salary summary and monthly attendance report.

7. Log Email Status

Email delivery details and summary text are stored in new Google Sheet for audit and HR tracking.

User Cases

Monthly attendance and payroll automation
Automated HR communication
Salary deduction reporting
Attendace compliance monitoring
Reducing manual calculation errors

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Schedule Trigger

Type / Role: n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices: Version 1.2

Block 2 - Calculate hours per day

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 3 - Calculate Salary Deduction

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 4 - Employees Attendant Sheet

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 5 - Employees Salary Sheet

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 6 - Merge with Salary

Type / Role: n8n-nodes-base.merge - merge
Config choices: Version 3.2

Block 7 - OpenAI Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.2

Block 8 - Adding the report to new sheet

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 9 - Convert the result to JSON format

Type / Role: n8n-nodes-base.code - code
Config choices: Version 2

Block 10 - Save Email Log to Sheet

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 11 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 12 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 13 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 14 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 15 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 16 - Sticky Note5

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 17 - Generate AI Summary Report

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 3

Block 18 - Send Salary Deduction Report Email

Type / Role: n8n-nodes-base.emailSend - emailSend
Config choices: Version 2.1

3. Summary Table

Workflow	Automated employee attendance & salary deduction with Google Sheets and GPT-4
Complexity	advanced
Nodes	18
Categories	HR, AI Summarization
Author	Mohamed Abubakkar
Published	09 Dec 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/11625/11625.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source HR workflows AI Summarization workflows

Frequently asked questions

What does Automated employee attendance & salary deduction with Google Sheets and GPT-4 do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your HR, AI Summarization use case.

Mohamed Abubakkar

8 workflows

Nodes

n8n-nodes-base.scheduletrigger n8n-nodes-base.code n8n-nodes-base.googlesheets n8n-nodes-base.merge @n8n/n8n-nodes-langchain.lmchatopenai n8n-nodes-base.stickynote @n8n/n8n-nodes-langchain.agent n8n-nodes-base.emailsend

Complexity

advanced

Published 09 Dec 2025

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/11625/11625.json

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Automated employee attendance & salary deduction with Google Sheets and GPT-4

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Overview

Prerequisites

Google Sheet Structure

1. Attendance Sheet (Daily Log)

2. Ouput Sheet (Generated by Workflow)

How It Works

1. Retrieve Attendance & Employee Master Data

2. Calculate Work Hours & Absences

3. Salary Deduction Calculation

4. Prepare Final Dataset

5. Generate AI Summary Report (GPT-4)

6. Send Salary Deduction Report Email

7. Log Email Status

User Cases

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Schedule Trigger

Block 2 - Calculate hours per day

Block 3 - Calculate Salary Deduction

Block 4 - Employees Attendant Sheet

Block 5 - Employees Salary Sheet

Block 6 - Merge with Salary

Block 7 - OpenAI Chat Model

Block 8 - Adding the report to new sheet

Block 9 - Convert the result to JSON format

Block 10 - Save Email Log to Sheet

Block 11 - Sticky Note

Block 12 - Sticky Note1

Block 13 - Sticky Note2

Block 14 - Sticky Note3

Block 15 - Sticky Note4

Block 16 - Sticky Note5

Block 17 - Generate AI Summary Report

Block 18 - Send Salary Deduction Report Email

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions