<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def exists(self):
 """ A convenience method that returns True if a record satisfying the query exists """

        return self.rpc_model.search_count(
            self.domain, context=self.context
        ) > 0