ABORT - Stop the session and report error in Informatica

Abort function is used to report a custom error when invalid data type is function, it can be used together with iif or decode function. When informatica, encouters abort function it stops the processing of session and returns the customer error message provided by the developer.

Syntax
ABORT(string Message)

Example : Throw error if the input value is null
IIF(ISNULL(v_Port),ABORT('Input Value is NULL')