@for (sortLetter of this.sortFirstLetter(); track sortLetter) {
{{ sortLetter }}
@for (user of this.sortUsersByFirstLetter(sortLetter); track user; let index = $index) {
{{ userService.getUserDetails(user.id, "initials") }}

{{ userService.getUserDetails(user.id, "firstName") }}

, 

{{ userService.getUserDetails(user.id, "lastName") }}

} }