# Angular ```bash npm install --save img-comparison-slider ``` `CUSTOM_ELEMENTS_SCHEMA` should be added into the `AppModule` and in every other modules that uses `img-comparison-slider`: ```typescript import { BrowserModule } from '@angular/platform-browser'; import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core'; import { FormsModule } from '@angular/forms'; import { AppComponent } from './app.component'; @NgModule({ declarations: [AppComponent], imports: [BrowserModule, FormsModule], bootstrap: [AppComponent], schemas: [CUSTOM_ELEMENTS_SCHEMA], }) export class AppModule {} ``` Import `img-comparison-slider` into `main.ts`: ```typescript import { enableProdMode } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { AppModule } from './app/app.module'; import { environment } from './environments/environment'; import 'img-comparison-slider'; if (environment.production) { enableProdMode(); } platformBrowserDynamic() .bootstrapModule(AppModule) .catch((err) => console.log(err)); ```