How do I hide a button in power app?
Select the Settings button and type the varIsProjectManager value into the Visible property. When the variable is true the button will show and when it is false the button will hide.
What is OnVisible in PowerApps?
OnVisible – The behavior of an app when the user navigates to a screen. Use this property to set up variables and preload data used by the screen. Use the App. OnStart property for set up once when the app is started.