switch cmd.GetCommandType() {
if attr := cmd.GetSignalExternalWorkflowExecutionCommandAttributes(); attr != nil {
targetNamespace = attr.GetNamespace()
apiName = "SignalWorkflowExecution"
}
case enumspb.COMMAND_TYPE_START_CHILD_WORKFLOW_EXECUTION:
if attr := cmd.GetStartChildWorkflowExecutionCommandAttributes(); attr != nil {