I was on twitter and this came up;
Try GlideOverlay instead. I can send you a DM with some sample code. Or ping on SNDevs.
— Jonathan Jacob (@TheBurgerlution) July 24, 2019
So I had to make a page for it.
It appears to be a undocumented type of modal.
It’s used throughout servicenow on VTB, Change, and Surveys.
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