An_example_of_how_to_create_a_relation.ts

@Component()
export class MeService {
  constructor() {}

  async someMethod(user, data) {
    // documented by sequelize, familiar to anyone who has read the library's documentation
    await user.$create<UserOneSignal>('oneSignal', data);
  }

  async reusageInSecondPlace(user, data) {
    // documented by sequelize, familiar to anyone who has read the library's documentation
    await user.$create<UserOneSignal>('oneSignal', data);
  }
}