import { NgxDotnetModule } from 'ngx-dotnet';

@NgModule({
  ...
  imports: [
    ...
    NgxDotnetModule
  ],
  ...
})

import {
  NgxDotnetService,
  DotnetPreferences,
  DotnetApp,
  DotnetMethodBinding
} from 'ngx-dotnet';

constructor(
  private dotnetService: NgxDotnetService
) { }

const preferences = new DotnetPreferences(
  'assets/dotnet', // Path to mono runtime
  'bin', // Directory witn target .NET assemblies (full path 'assets/dotnet/bin')
  'DotnetDemo.deps', // Json which contains of the necessary dependencies
  // Bindings to public static methods
  [
    new DotnetMethodBinding('SomeNamespace', 'SomeClass', 'SomePublicStaticMethodName'),
    new DotnetMethodBinding('SomeNamespace', 'SomeClass', 'OtherPublicStaticMethodNameAsync'),
    ...
  ]
);

interface IDotnetAppMethods {
  // Sample synchronous method signature
  SomePublicStaticMethodName(parameter: number): string;

  // Sample asynchronous method signature
  OtherPublicStaticMethodNameAsync(parameter: string): Promise<Array<number>>;
  ...
}

const dotnetApp = await this.dotnetService.getApplicationAsync<IDotnetAppMethods>(
  preferences
);

const text = dotnetApp.methods.SomePublicStaticMethodName(123);
const numbers = await dotnetApp.methods.OtherPublicStaticMethodNameAsync(text);