Fleetbase-Mirror-Repo/console/app/serializers/activity.js

import ApplicationSerializer from '@fleetbase/ember-core/serializers/application';
import { EmbeddedRecordsMixin } from '@ember-data/serializer/rest';

export default class CategorySerializer extends ApplicationSerializer.extend(EmbeddedRecordsMixin) {
    /**
     * Embedded relationship attributes
     *
     * @var {Object}
     */
    get attrs() {
        return {};
    }
}