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Adds a error message into the Log log. This function is often used when creating a model and trying to work out why an Expression expression is not behaving as expected.
The Detail field of the Log Message log message will contain a list of the current values of any Attributes, Pipes and $-Variables which are relevant in the context of the Expressionexpression.
Syntax
errorsystemError(message)
| Argument | Type | Description |
|---|---|---|
| message | String | A message to appear in the Loglog. Note that this could be an Expressionexpression. |
Examples
ifNull (in.rate, errorsystemError("Missing rate") )
This example adds a message to the Log log if no rate is found.