How integrate lottie Icons to NbMenuItem Array

I’m new to User Interface design. I have a task to integrate lord icon instead of nebular icon to pages-menu.ts file in ngx-admin dashboard

here nebular menu item array

page-menu.ts file look like this

 MENU_ITEMS: NbMenuItem[] = [
    title: 'Price',
    icon: 'gift-outline',
    link: '/dashboard/prices',
here we used nbicon . i need to replace with lord Icon

this is template

page-menu.component.ts file look like this

  <nb-menu [items]="menu"></nb-menu>

export class PagesComponent {

  menu = MENU_ITEMS;