Machine @for (machine of filteredMachines(); track machine) { {{ getFullMachineName(machine) }} } @if (selectedMachine.touched && selectedMachine.invalid) { Machine is required. } Service ID @for (serviceId of availableServiceIds(); track serviceId) { {{ serviceId }} } @if (selectedServiceId.touched && selectedServiceId.invalid) { Service ID is required. } User @for (user of filteredUsers(); track user) { {{ user }} } @if (selectedUser.touched && selectedUser.invalid) { User is required. }