Iseries

SFLMSGKEY (Subfile Message Key) keyword for display files
Use this field-level keyword on the first field in the subfile record format for a message subfile (SFL and SFLMSGRCD keywords specified). It is not valid on the subfile control record format (SFLCTL). To select messages from a program message queue for display, your program places a message reference key in this field. Your program also places the name of the program message queue in the second field in the subfile record format. See SFLPGMQ (Subfile Program Message Queue) keyword for display files.
This keyword has no parameters.
This field is predefined as a four-position, character data type, hidden field. The following rules apply:
· This field must always be the first field defined in the subfile record format.
· The field name and SFLMSGKEY are the only DDS you can specify for this field.
Option indicators are not valid for this keyword or with the associated field.For more information on building and displaying message subfiles, see SFLPGMQ (Subfile Program Message Queue) keyword for display files