// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.ads.googleads.v8.enums;

import "google/api/annotations.proto";

option csharp_namespace = "Google.Ads.GoogleAds.V8.Enums";
option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v8/enums;enums";
option java_multiple_files = true;
option java_outer_classname = "RecommendationTypeProto";
option java_package = "com.google.ads.googleads.v8.enums";
option objc_class_prefix = "GAA";
option php_namespace = "Google\\Ads\\GoogleAds\\V8\\Enums";
option ruby_package = "Google::Ads::GoogleAds::V8::Enums";

// Proto file describing Recommendation types.

// Container for enum describing types of recommendations.
message RecommendationTypeEnum {
  // Types of recommendations.
  enum RecommendationType {
    // Not specified.
    UNSPECIFIED = 0;

    // Used for return value only. Represents value unknown in this version.
    UNKNOWN = 1;

    // Budget recommendation for campaigns that are currently budget-constrained
    // (as opposed to the FORECASTING_CAMPAIGN_BUDGET recommendation, which
    // applies to campaigns that are expected to become budget-constrained in
    // the future).
    CAMPAIGN_BUDGET = 2;

    // Keyword recommendation.
    KEYWORD = 3;

    // Recommendation to add a new text ad.
    TEXT_AD = 4;

    // Recommendation to update a campaign to use a Target CPA bidding strategy.
    TARGET_CPA_OPT_IN = 5;

    // Recommendation to update a campaign to use the Maximize Conversions
    // bidding strategy.
    MAXIMIZE_CONVERSIONS_OPT_IN = 6;

    // Recommendation to enable Enhanced Cost Per Click for a campaign.
    ENHANCED_CPC_OPT_IN = 7;

    // Recommendation to start showing your campaign's ads on Google Search
    // Partners Websites.
    SEARCH_PARTNERS_OPT_IN = 8;

    // Recommendation to update a campaign to use a Maximize Clicks bidding
    // strategy.
    MAXIMIZE_CLICKS_OPT_IN = 9;

    // Recommendation to start using the "Optimize" ad rotation setting for the
    // given ad group.
    OPTIMIZE_AD_ROTATION = 10;

    // Recommendation to add callout extensions to a campaign.
    CALLOUT_EXTENSION = 11;

    // Recommendation to add sitelink extensions to a campaign.
    SITELINK_EXTENSION = 12;

    // Recommendation to add call extensions to a campaign.
    CALL_EXTENSION = 13;

    // Recommendation to change an existing keyword from one match type to a
    // broader match type.
    KEYWORD_MATCH_TYPE = 14;

    // Recommendation to move unused budget from one budget to a constrained
    // budget.
    MOVE_UNUSED_BUDGET = 15;

    // Budget recommendation for campaigns that are expected to become
    // budget-constrained in the future (as opposed to the CAMPAIGN_BUDGET
    // recommendation, which applies to campaigns that are currently
    // budget-constrained).
    FORECASTING_CAMPAIGN_BUDGET = 16;

    // Recommendation to update a campaign to use a Target ROAS bidding
    // strategy.
    TARGET_ROAS_OPT_IN = 17;

    // Recommendation to add a new responsive search ad.
    RESPONSIVE_SEARCH_AD = 18;

    // Budget recommendation for campaigns whose ROI is predicted to increase
    // with a budget adjustment.
    MARGINAL_ROI_CAMPAIGN_BUDGET = 19;
  }


}
