# Overlay Opt. Out and isGood()

**URL:** <https://forum.inductiveautomation.com/t/overlay-opt-out-and-isgood/85843>\
**Category:** Ignition\
**Tags:** ignition81, vision\
**Created:** [February 16, 2024, 3:12pm UTC](https://forum.inductiveautomation.com/t/overlay-opt-out-and-isgood/85843 "2024-02-16T15:12:46Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [February 16, 2024, 7:45pm UTC](https://forum.inductiveautomation.com/t/overlay-opt-out-and-isgood/85843/3 "2024-02-16T19:45:53Z")

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AFAIK this is why @nminchin asked me for an `isAvailable` expression in [Ignition Extensions](https://forum.inductiveautomation.com/t/ignition-extensions-convenience-utilities-for-advanced-users/64615).

I think it's because there's special case handling for the "uncertain" quality levels in bindings, but I haven't really dug into the problem completely to figure it out.

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