p-auto-complete of primeNG with API calling

<h3>Auto Complete example of prime ng</h3>
<p>Start typing in dropdown or </p>

<ul>
  <li> Start tying in drop-down with 3 chars. E.g: qui
  <li> Click on dropdown arrow to get complete list
</ul>
<br>

<p *ngIf="options.length">
  Results found: {{options.length}}
</p>

<p-autoComplete
[suggestions]="options"
(completeMethod)="filterMethod($event)"
[dropdown]="true"
field="title"
[multiple]="true"
[forceSelection]="true"
[minLength]="3"></p-autoComplete>

import { Component } from '@angular/core';
import { HttpClient } from '@angular/common/http';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
  options = [];

	constructor(public http: HttpClient) {
	}

	filterMethod(event) {
		this.http.get('https://jsonplaceholder.typicode.com/todos')
		.subscribe(res => {
			const result = (<any>res).filter(option => option.title.includes(event.query));
			console.log(result);
			this.options = result;
		});
	}
}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';

import { AppComponent } from './app.component';
import { HelloComponent } from './hello.component';
import { AutoCompleteModule } from 'primeng/autocomplete';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';


@NgModule({
  imports:      [ BrowserModule, FormsModule, AutoCompleteModule, HttpClientModule, BrowserAnimationsModule ],
  declarations: [ AppComponent, HelloComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }