parentActionGroupSignature

If this field is set as AMAZON.UserInput , the agent can request the user for additional information when trying to complete a task. The description , apiSchema , and actionGroupExecutor fields must be blank for this action group. During orchestration, if the agent determines that it needs to invoke an API in an action group, but doesn't have enough information to complete the API request, it will invoke this action group instead and return an Observation reprompting the user for more information.