This structure has the following members:
Prompt for the text input, if any.
Memory for the prompt is allocated by the C SDK in am_auth_login() and freed when the authentication context is destroyed using am_auth_destroy_auth_context().
Default text for the text input, if any.
Memory for the default text is allocated by the C SDK in am_auth_login() and freed when the authentication context is destroyed using am_auth_destroy_auth_context().
Text input to be submitted to the Access Manager.
Memory for the response must be allocated and freed by the caller.