Default. Starts a new thread. Using this option ignores any thread
ID or
thread_key that's included.
MESSAGE_REPLY_OPTION_UNSPECIFIED = 0;
MESSAGE_REPLY_OPTION_UNSPECIFIED_VALUE
Default. Starts a new thread. Using this option ignores any thread
ID or
thread_key that's included.
MESSAGE_REPLY_OPTION_UNSPECIFIED = 0;
REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD
Creates the message as a reply to the thread specified by thread
ID or
thread_key. If it fails, the
message starts a new thread instead.
REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD = 1;
REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD_VALUE
Creates the message as a reply to the thread specified by thread
ID or
thread_key. If it fails, the
message starts a new thread instead.
REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD = 1;
REPLY_MESSAGE_OR_FAIL
Creates the message as a reply to the thread specified by thread
ID or
thread_key. If a new thread_key
is used, a new thread is created. If the message creation fails, a
NOT_FOUND error is returned instead.
REPLY_MESSAGE_OR_FAIL = 2;
REPLY_MESSAGE_OR_FAIL_VALUE
Creates the message as a reply to the thread specified by thread
ID or
thread_key. If a new thread_key
is used, a new thread is created. If the message creation fails, a
NOT_FOUND error is returned instead.