Appium IOS - Open app while running Terst

Hi,

In Appium Android project when i want to open a new app while running my Test i use the command ::

Android.adb.openAppsActivity(ApplicationPackage , ApplicationactivityID);

public void openAppsActivity(String packageID,String activityID){
command(“adb -s “+ID+” shell am start -c api.android.intent.category.LAUNCHER -a api.android.intent.action.MAIN -n “+packageID+”/”+activityID);
}

How do i do it in IOS ? i dont have adb command.

Thanks !