# 1:1 chat app - visibility button issue **URL:** \ **Category:** Ask for Help\ **Created:** [September 19, 2022, 10:40pm UTC](https://community.glideapps.com/t/1-1-chat-app-visibility-button-issue/49651 "2022-09-19T22:40:53Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\ **Post date:** [September 20, 2022, 11:55am UTC](https://community.glideapps.com/t/1-1-chat-app-visibility-button-issue/49651/6 "2022-09-20T11:55:55Z")
> [@Thel93210](#): > > I thought it was the same empty and false… > [@isChecked vs is True in the if/else column](https://community.glideapps.com/t/ischecked-vs-is-true-in-the-if-else-column/46303/2): > > I don’t believe there is any difference between true and checked at all. There is however a difference between false and not checked, in that not checked covers both the false and empty states. Whereas false does not cover the empty state. The important thing to be aware of is that Glide booleans have 3 possible states: true false empty, or null The default state for a boolean when it is first created will be empty, and it will return to empty if you clear it with a set column values action… --- _[View the full topic](https://community.glideapps.com/t/1-1-chat-app-visibility-button-issue/49651)._