Update a function for a given definition by ID.
Supported products
The ID of the app.
The ID of the definition.
The ID of the function.
The type of function. Can be PRE_ACTION_EXECUTION, PRE_FETCH_OPTIONS, POST_FETCH_OPTIONS, POST_ACTION_EXECUTION.
POST_ACTION_EXECUTION, POST_FETCH_OPTIONS, PRE_ACTION_EXECUTION, PRE_FETCH_OPTIONS The body is of type string.