Transformers
Transformers are middleware for validating, enriching, and redacting events in the walkerOS pipeline.
Use cases
| Use Case | Example |
|---|---|
| Validate | Ensure events match JSON Schema contracts |
| Enrich | Add server-side data (user segments, geo) |
| Redact | Remove PII before sending to destinations |
Configuration
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Available transformers
Validator
Validates events using JSON Schema:
- Format validation (WalkerOS.Event structure)
- Contract validation (entity/action business rules)
- Configurable logging for validation results
Next steps
- Validator - JSON Schema validation
- Create your own - Custom transformer guide
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