Release 10.1A: OpenEdge Development:
ADM Reference

columnValMsg

Returns the validation message of a particular column. This is the text that serves as the error message when a validation fails.

Location: wbdata.p

Parameters:

INPUT pcColumn

The name of a column in the data-source. Can be qualified with table name and/or database name when the data-source is a database.

Returns: CHARACTER

Notes:

The function is data-source transparent and calls the function with the same name in the data-source when the data-source is a SmartDataObject.
The value returned by this function will be added to the error message when validateColumns encounters a column that fails validation.