## RuleError {#ruleerror}

Contains the error code that indicates the cause of an error encountered during the execution of the rule. Area: ExchangeMessageReadOnly Canonical name: PidTagRuleError Alternate names: PR_RULE_ERROR, ptagRuleError

**Returns:** System::SharedPtr < PidTagPropertyDescriptor > Aspose::Email::Mapi::

```cpp
RuleError()
```