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