User`s manual
127
Messaging
DisplayMessageRecord
Corresponds to payload of Display Message in the SE Specification.
Parameter  Type Description
message_id int No default.
message_control int Defaults to 0 (normal transmission, low importance, no confirma-
tion required)
cancel_message_control 
(o
ptional - response 
only)
int Only included in the RPC response updated_active_message 
(See “updated_active_message” on page 105) when a currently 
active message is canceled, and the Cancel Message command 
(See “cancel_message” on page 101) has a message_control 
field that requires confirmation. In this case, the 
updated_active_message RPC response inserts the 
message_control parameter from the Cancel Message into the 
DisplayMessageRecord as the parameter 
cancel_message_control to signify that the message was can-
celed, but should still be displayed until the cancel 
is confirmed.
start_time int Defaults to 0x0 (now)
duration_in_minutes int No default
message string No default
CancelMessageRecord
Corresponds to payload of Cancel Message in the SE Specification.
Parameter  Type Description
message_id int No default.
message_control int Defaults to 0. (normal transmission)










