# CEL Client

Bases: `BaseRestClient`

The CEL client is a client for debugging CEL expressions within Hatchet

Methods:

Name, Description

`aio_debug`, Debug a CEL expression with the provided input, filter payload, and optional metadata. Useful for testing and validating CEL expressions and debugging issues in production.
`debug`, Debug a CEL expression with the provided input, filter payload, and optional metadata. Useful for testing and validating CEL expressions and debugging issues in production.

### Functions

#### `aio_debug`

Debug a CEL expression with the provided input, filter payload, and optional metadata. Useful for testing and validating CEL expressions and debugging issues in production.

Parameters:

Name, Type, Description, Default

`expression`, `str`, The CEL expression to debug., _required_
`input`, `JSONSerializableMapping`, The input, which simulates the workflow run input., _required_
`additional_metadata`, `JSONSerializableMapping \, None`, Additional metadata, which simulates metadata that could be sent with an event or a workflow run, `None`
`filter_payload`, `JSONSerializableMapping \, None`, The filter payload, which simulates a payload set on a previous-created filter, `None`

Returns:

Type, Description

`CELEvaluationResult`, A V1CELDebugErrorResponse or V1CELDebugSuccessResponse containing the result of the debug operation.

#### `debug`

Debug a CEL expression with the provided input, filter payload, and optional metadata. Useful for testing and validating CEL expressions and debugging issues in production.

Parameters:

Name, Type, Description, Default

`expression`, `str`, The CEL expression to debug., _required_
`input`, `JSONSerializableMapping`, The input, which simulates the workflow run input., _required_
`additional_metadata`, `JSONSerializableMapping \, None`, Additional metadata, which simulates metadata that could be sent with an event or a workflow run, `None`
`filter_payload`, `JSONSerializableMapping \, None`, The filter payload, which simulates a payload set on a previous-created filter, `None`

Returns:

Type, Description

`CELEvaluationResult`, A V1CELDebugErrorResponse or V1CELDebugSuccessResponse containing the result of the debug operation.

Raises:

Type, Description

`ValueError`, If no response is received from the CEL debug API.