This profile parameter specifies the line to be used for the display of applications which do not set the message line position explicitly by using the SET CONTROL 'M' statement.

Possible settings	B	Natural messages are displayed at the bottom of the screen.
	T	Natural messages are displayed at the top of the screen.
Default setting	T
Dynamic specification	yes
Specification within session	yes
Applicable statements	SET CONTROL 'M'
Applicable command
Application programming interface	USR1005N	See SYSEXT - Natural Application Programming Interfaces in the Utilities documentation.

Notes:

1. For information on the operand 'M', see the Natural terminal command %M (Control of Message Line).
2. Within a Natural session, the profile parameter ML can be overridden by the session parameter ML.