Function: error()
Adds a error message into the Log and displays the message to the user. 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
error(message)
| Argument | Type | Description |
|---|---|---|
| message | String | A message to appear in the Log. Note that this could be an Expression. |
Examples
ifNull (in.rate, error("Missing rate") )This example adds a message to the Log if no rate is found.