@first_timestamp.setter<EOL><INDENT>def first_timestamp(self, first_timestamp):<DEDENT>
self._first_timestamp = first_timestamp<EOL>
Sets the first_timestamp of this V1Event.
The time at which the event was first recorded. (Time of server receipt is in TypeMeta.)

:param first_timestamp: The first_timestamp of this V1Event.
:type: datetime