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