<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def event(self, name, payload=None, coalesce=True):
 """ Send an event to the cluster. Can take an optional payload as well, which will be sent in the form that it's provided. """

        return self.connection.call(
            'event',
            {'Name': name, 'Payload': payload, 'Coalesce': coalesce},
            expect_body=False)