# ValidateFilterInput

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

Input DTO for validating a filter expression against allowed event type fields.

## Fields
- `eventTypes` (array<string>) required: The event types that define allowed filter fields. (nullable)
- `filterExpressionJson` (string) required: The filter expression JSON to validate. (nullable)

## See also

- [All documentation](https://devportal.demo.winkpg.io/llms.txt): the machine-readable index of every public page on this site.