Automate Assignee Payroll Calculations with Dart, Gemini AI, and Google Sheets — n8n Workflow

Medium complexity⏰ Scheduled8 nodes🏷️ Invoice Processingby Dart

Overview

Task-based Assignee billing via Time Tracking This workflow automates billing by scanning a target Dartboard on schedule, aggregating time logs from completed tasks, cross‑referencing assignee rates in Google Sheets, calculating total pay, and updating the sheet with final billable hours and amounts.

Who's it for Individuals, agencies, companies, and project managers automating payroll or client invoicing from task data.

How to setup Link your Dart and Google accounts. Replace the dummy ID in

Nodes used

Google SheetsCodeAI AgentGoogle Gemini Chat Model

Workflow Preview

Task-YOUR_OPENAI_KEY_HERE Assignee billing vi

This workflow automates billing by scanning a target Da

1. Workflow launch through schedule

Triggered by a preferred schedule (e.g. weekly, monthly

Scanning of tasks

This step will scan and list all tasks in the target Da

- Main g

2. Gathering of data in the target Spreadshee

This step scans all data in the spreadsheet. Goal is fo

3. AI time tracking calculator agent

This agent calculates employee payroll by cross-referen

4. Parsing the AI output

Parse output into a usable format for the next node.

5. Push output into the target Spreadsheet

This node will push the output data into the connected

Output each Assignee

- Total time tracked

- Total pay that is multiplied w

List tasks

Get row(s) in sheet

Aggregate

AI SCANNER

Assignee & Time Scanner

Parse Output

Append row in sheet

⚡

Schedule Trigger

8 nodes7 edges

How it Works

1
Trigger
The workflow starts with a scheduled trigger, running on a defined schedule.
2
Process
Data flows through 8 nodes, connecting agent, aggregate, code.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (8)

Google Sheets

googleSheets

Code

code

AI Agent

n8n-nodes-langchain.agent

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

How to Import This Workflow

1Click Download JSON button on the right to save the workflow file.
2Open your n8n instance. Go to Workflows → New → Import from file.
3Select the downloaded automate-assignee-payroll-calculations-with-dart-gemini-ai-and-google-sheets file and click Import.
4Set up credentials for each service node (API keys, OAuth, etc.).
5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Automate Assignee Payroll Calculations with Dart, Gemini AI, and Google Sheets", "nodes": [...], ...}

Integrations

agentaggregatecodegooglesheetslmchatgooglegeminin8n-nodes-dart.dartscheduletrigger

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes8

Complexitymedium

Triggerscheduled

CategoryInvoice Processing

Created by

Dart

@dart-team

New to n8n?

n8n is a free, open-source workflow automation tool. Self-host it or use the cloud version.

Get n8n Free →

Related Invoice Processing Workflows

COCOEMEX+5

medium

Automate Custom QuickBooks Invoice PDFs & Email with n8n

Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes