angular material icons custom code example

Example: maticons .svg

import { Component } from "@angular/core";
import { MatIconRegistry } from "@angular/material/icon";
import { DomSanitizer } from "@angular/platform-browser";

@Component({
  selector: "app-root",
  templateUrl: "./app.component.html",
  styleUrls: ["./app.component.css"]
})
export class AppComponent{
  constructor(
    private matIconRegistry: MatIconRegistry,
    private domSanitizer: DomSanitizer
  ){
    this.matIconRegistry.addSvgIcon(
      "unicorn",
      this.domSanitizer.bypassSecurityTrustResourceUrl("../assets/unicorn_icon.svg")
    );
  }
}