IF oBrw:oCol("phone") # nil // we refer to the header name not the column name, assuming the header name is phone also
oBrw:oCol( "phone" ):cEDITPicture := "@R (999) 999-9999")"
ENDIF
When we use COLUMNS clause, each expression in the list can be either a character value or a codeblock. If it is character value, it can be either a field name or a character expression that can be macro evaluated inside xbrowse.