function getOperationData($operation){
		if ($this->endpointType == 'wsdl' && is_null($this->wsdl)) {
			$this->loadWSDL();
			if ($this->getError())
				return false;
		}
		if(isset($this->operations[$operation])){
			return $this->operations[$operation];
		}
		$this->debug("No data for operation: $operation");
	}