excel - How to Trigger a Error from a VBA function -

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I need to trigger an error event from the VBA function, then the function of this function can turn on the error error Go to call eg 

  Go to Error Error: TestErr () Function Exit Afghanistan: Test = "Error Trigger" End Function Function TestErr () ?? How to trigger error here is the function

thanks

Err .Raise 5, "Alternate Error Source", "Alternate Error Details"

MSDN Reference


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