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Building Blocks & Utilities

Practice n8n Expressions with Progressive Data Access Tests

When you run it, it presents sample data and a series of tests on basic, array and nested expressions, marking each as success or error.

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What it does

## Expressions Knowledge Test Welcome to the practical test for n8n Expressions! The goal is to use expressions to pull specific data from the "Source Data" node. How to use this test: 1. For each step, read the instructions on the purple sticky note. 2. Modify the corresponding "Test - ..." node by writing the correct expression in the value field. 3. Click "Execute Workflow" to check your answers. 4. A green path means a correct answer, a red path means it's incorrect. Keep trying until the path turns green! Good luck!

The steps

  1. Start Test!
  2. Source Data
  3. Test - Basic Access
  4. Check - Basic Access
  5. Success - Basic Access
  6. Error - Basic Access
  7. Test - Array Access
  8. Check - Array Access
  9. Success - Array Access
  10. Error - Array Access
  11. Test - Nested Object
  12. Check - Nested Object
  13. Success - Nested Object
  14. Error - Nested Object

33 steps in total.

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