'Returns information about the specified workflow execution
including its type and some statistics.
:type domain: string
:param domain: The name of the domain containing the
workflow execution.
:type run_id: string
:param run_id: A system generated unique identifier for the
workflow execution.
:type workflow_id: string
:param workflow_id: The user defined identifier associated
with the workflow execution.
:raises: UnknownResourceFault, SWFOperationNotPermittedError'

def describe_workflow_execution(self, domain, run_id, workflow_id):

    return self.json_request('DescribeWorkflowExecution', {'domain': domain, 'execution': {'runId': run_id, 'workflowId': workflow_id}})
