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Provide public API in JTOpen to clear a user's "Message Waiting" status
In 5250, there is a concept of a “message light/waiting” that is on/off to show whether a user has received a new message when the *NOTIFY message option is set on their user profile. If the user is logged in to a 5250 session, and they get a new message, the 1st 5250 session gets sent an update to say the message light/waiting status has changed, which we can then respond to and show a notification.
The issue is that there is no way, that I can find, to programmatically clear the message light/waiting status, either via a 5250 response or via a JT400/JTOpen API. The only way I have found is to run the WRKMSG command in the 1st session (running WRKMSG in a 2nd or 3rd session for same user does not clear the message light, and this is the same on IBMs 5250 emulator) but as we are providing an alternative UI to WRKMSG, this makes this UI function redundant if they have to go to that command anyway.
Support confirmed there was no public API to do this, so our enhancement request is for a way to programmatically clear the message light/waiting status using either a 5250 response or a JTOpen API call?
Our product supports IBM i OS v7r1, v7r2 and v7r3 so ideally the enhancement would work on all these releases.
We use JTOpen to display a list of the user's messages in a browser-based GUI. They can then view, and delete, these messages, but viewing the message does not clear the message light/waiting status as it would if they used the WRKMSG command from a 5250 telnet session.
We also allow users to open multiple 5250 sessions within our GUI, and when one of them causes the message light/waiting state to switch to ON, we want to display a notification, and when the user has checked their new message, we want to clear the message light/waiting status to OFF, but there is no way to do this in JTOpen.
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