info.plist
: an XML file that’s used to store a list of app properties, such as the AppName, version, permissions description, settings, etc.
When an Xcode project is created it comes with a info.plist by default. You can have multiple plist files in one workspace. You might create more than one plist file for different environments — for example, Staging.plist, Production.plist, Development.plist. Only one file can be used at a time.
Given that we created a file for staging (Staging.plist), right-click on the project directory and select New File: