# registerDataSourceService Function

Module
import { registerDataSourceService } from "@tsed/graphql"
Source/packages/graphql/src/registries/DataSourceServiceRegistry.ts

# Overview

const registerDataSourceService: (provider: any, instance?: any) => void;

# Description

Add a new service in the ProviderRegistry. This service will be built when InjectorService will be loaded.

# Example

import {registerDataSourceService, InjectorService} from "@tsed/graphql";

export default class MyFooService {
    constructor(){}
    getFoo() {
        return "test";
    }
}

registerDataSourceService({provide: MyFooService});
// or
registerDataSourceService(MyFooService);

const injector = new InjectorService();
injector.load();

const myFooService = injector.get<MyFooService>(MyFooService);
myFooService.getFoo(); // test
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