A serverless function associated with this custom workflow action.
| Name | Type | Description | Notes |
|---|---|---|---|
| FunctionSource | string | The function source code. | |
| FunctionType | string | The type of function. This determines when the function will be called. | |
| Id | string | The ID qualifier for the function. This is used to specify which input field a function is associated with for `PRE_FETCH_OPTIONS` and `POST_FETCH_OPTIONS` function types. | [optional] |