$oAuth2Credential = (new OAuth2TokenBuilder())->fromFile(ADS_INI_PATH)->withRefreshToken($refresh_token)->build();$session = (new AdWordsSessionBuilder())->fromFile(ADS_INI_PATH)->withOAuth2Credential($oAuth2Credential)->withClientCustomerId($client_id)->build();$campaignService = (new AdWordsServices)->get($session, CampaignService::class);$selector = new Selector();$selector->setFields(['Id', 'Name', 'Status']);$page = $campaignService->get($selector);
I was able to get adwords session but not able to get the campaigns page.