The Method GetRootCauseList returns the complete list of root causes as stored in the OPC UA Server.
Signature
GetRootCauseList (
[out]RootCauseMessageType[] RootCauseList
[out]MethodExecutionFeedbackType ExecutionFeedback
);
| Argument | Description | 
| RootCauseList | The complete list of root cause messages. | 
| ExecutionFeedback | The extended feedback returning a detailed message in case of execution failure. | 
Method Result Codes
| ResultCode | Description | 
| BadNodeIdUnknown | See table 173 in OPC 10000-4 for the description of these result codes. | 
| BadTypeMismatch | |
| BadOutOfRange | |
| BadNotWritable | |
| BadNotFound |