public PushNotificationsController( ILogger <PushNotificationsController> logger, UserManager <IdentityUser> userManager, IRouteListModel aPIRouteListData, IFCMAPIHelper iFCMAPIHelper, IEmployeeModel employeeData) { _logger = logger ?? throw new ArgumentNullException(nameof(logger)); _userManager = userManager ?? throw new ArgumentNullException(nameof(userManager)); _aPIRouteListData = aPIRouteListData ?? throw new ArgumentNullException(nameof(aPIRouteListData)); _iFCMAPIHelper = iFCMAPIHelper ?? throw new ArgumentNullException(nameof(iFCMAPIHelper)); _employeeData = employeeData ?? throw new ArgumentNullException(nameof(employeeData)); }