UnityEditor.EditorUserBuildSettings.GetBuildLocation C# (CSharp) Method

        public static extern string GetBuildLocation(BuildTarget target);
        internal static void Internal_ActiveBuildTargetChanged()

        // This overload is used by the Build & Run menu item & hot key - prompt for location only if the configured
        // output location is not valid.
        static void BuildPlayerAndRun()
        {
            var buildTarget   = EditorUserBuildSettingsUtils.CalculateSelectedBuildTarget();
            var buildLocation = EditorUserBuildSettings.GetBuildLocation(buildTarget);

            BuildPlayerAndRun(!BuildLocationIsValid(buildLocation));
        }