n8n Google Sheets Automation

I'm looking for assistance in setting up an n8n flow, specifically with Google Sheets integration.

Requirements:
i want the flow to be
WhatsApp Trigger

Google Sheets

IF Node

User Exists -true(ower flow)

User Not Exists-false (New User Flow)

If true go flow if false go to check other flow check google sheet match number

will need communicative support for small bugs if

- Experience with n8n and Google Sheets nodes
- Ability to automate tasks and streamline workflows

Ideal skills:
- Familiarity with n8n interface
- Proficiency in setting up Google Sheets automations
- Problem-solving skills to create efficient workflows

Please provide examples of previous work with n8n and Google Sheets.