6.3

Back in the project settings, select the main app’s target,
open the Build Settings tab.
Set the Code Signing Entitlements setting to the
relative path of the second entitlements file
created for the main app.

Step 7 - Integrate Flutter

These steps are not necessary for add-to-app.

7.1

In your App Clip’s target’s project settings,
open the Build Settings tab.

For setting Framework Search Paths, add 2 entries:

$(inherited)

$(PROJECT_DIR)/Flutter

In other words, the same as the main app target’s build settings.

7.2

For the Swift target,
set the Objective-C Bridging Header
build setting to Runner/Runner-Bridging-Header.h