M117 - Set LCD Message

In Snapmaker gcode documentation there is M117 that should allow to print a message on an LCD.
How this works? Someone knows how to connect an LCD module to the snapmaker?
It would be great to be able to send info/warnings from (per example) Octoprint to an LCD in the enclosure.

Funny, but unsupported

That ‚Äúdocumentation‚ÄĚ is a straight rip from Marlin with no updates for unsupported features, only a couple additions at the end.

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