Implement OAuth Implicit Flow in NestJS Swagger

Question

Using the Swagger module provided from NestJS there is no functionality to implement an OAuth connection that automatically get the user token through implicit flows.

From the website there is a lack of documentation about oauth.

https://docs.nestjs.com/openapi/security.

The solution that I've found is using this piece of code

 const config = new DocumentBuilder()
    .setTitle('Swagger API')
    .setVersion('1.0')
    .addSecurity('ApiKeyAuth', {
      type: 'apiKey',
      in: 'header',
      name: 'token',
    })
    .addBearerAuth()
    .addOAuth2(
      {
          type: 'oauth2',
          flows: {
              implicit: {
                  tokenUrl: `${configSv.get("OAUTH_DOMAIN")}/oauth/token`,
                  authorizationUrl: `${configSv.get("OAUTH_DOMAIN")}/authorize`,
                  scopes: {"read:products": null, "read:properties": null, "read:categories": null, openid: null, profile: null, email: null},
              },
          },
      },
)
.build();

But doesn't retrieve correctly the token and scopes aren't working, facing a 403 error calling the endpoints