Backend\Modules\Analytics\Form\SettingsStepWebPropertyType::build PHP Method

    private function build()
    {
        $properties = $this->googleServiceAnalytics->management_webproperties->listManagementWebproperties($this->settings->get('Analytics', 'account'));
        $propertiesForDropDown = [];
        foreach ($properties->getItems() as $property) {
            $propertiesForDropDown[$property->getId()] = $property->getName();
        }
        $this->form->addDropdown('web_property_id', $propertiesForDropDown);
    }