GET /aiagents/options
List the values the agent detail fields accept: voices for voice, agentRoles for agent_role, businessTypes for business_type and greetingStyles for greeting.
The response also includes assistantTypes, personalAgentRoles and transferBehaviors. Each list holds the available options, every option reporting the key to submit and the label to display. An option offering the other key includes formFields for the matching custom field, custom_agent_role or custom_business_type.