Get signed URL
Get a signed url to start a conversation with an agent with an agent that requires authorization
Agent id (agent_…) or speech engine external id (seng_), resolved to the same underlying resource.
Whether to include a conversation_id with the response. If included, the conversation_signature cannot be used again.
The environment to use for resolving environment variables (e.g. ‘production’, ‘staging’). Defaults to ‘production’.