def __call__(self, sid):
return ExecutionContext(self._version, flow_sid=self._solution['<STR_LIT>'], sid=sid, )<EOL>
Constructs a ExecutionContext

:param sid: Execution Sid.

:returns: twilio.rest.studio.v1.flow.execution.ExecutionContext
:rtype: twilio.rest.studio.v1.flow.execution.ExecutionContext