n8n Expressions Test with Instant Validation

# Interactive n8n expressions test with instant validation and hints

This workflow enables users to validate their n8n expression skills through practical, step-by-step tasks. Each step includes a data extraction or transformation challenge with immediate result validation.

## Who it´s for
- n8n users learning to work with expressions
- Automation beginners looking to test their skills
- n8n trainers and educators seeking teaching materials

## What the automation does
- Provides structured tasks: accessing fields, arrays, and nested JSON objects
- Validates expression correctness at each step
- Uses JS functions and value combinations within expressions
- Delivers instant feedback: success message or error hint
- Triggered manually, ideal for self-paced learning and assessment

## What´s included
- Ready-to-use n8n workflow
- Trigger and handler logic
- Integrations limited to n8n, JavaScript, and JSON (no external services)
- Basic text instructions for launch and adaptation

## Requirements for setup
- n8n account (self-hosted or cloud)
- Basic understanding of n8n expressions and JavaScript syntax
- Access to workflow editor interface

## Benefits and outcomes
- Hands-on learning with immediate feedback
- Faster mastery of complex expression patterns
- Reusable as a training module in courses
- Automated assessment without instructor involvement

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via chat