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user_event.proto
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user_event.proto
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// 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.cloud.retail.v2;
import "google/api/field_behavior.proto";
import "google/cloud/retail/v2/common.proto";
import "google/cloud/retail/v2/product.proto";
import "google/protobuf/timestamp.proto";
import "google/protobuf/wrappers.proto";
option csharp_namespace = "Google.Cloud.Retail.V2";
option go_package = "cloud.google.com/go/retail/apiv2/retailpb;retailpb";
option java_multiple_files = true;
option java_outer_classname = "UserEventProto";
option java_package = "com.google.cloud.retail.v2";
option objc_class_prefix = "RETAIL";
option php_namespace = "Google\\Cloud\\Retail\\V2";
option ruby_package = "Google::Cloud::Retail::V2";
// UserEvent captures all metadata information Retail API needs to know about
// how end users interact with customers' website.
message UserEvent {
// Required. User event type. Allowed values are:
//
// * `add-to-cart`: Products being added to cart.
// * `category-page-view`: Special pages such as sale or promotion pages
// viewed.
// * `detail-page-view`: Products detail page viewed.
// * `home-page-view`: Homepage viewed.
// * `promotion-offered`: Promotion is offered to a user.
// * `promotion-not-offered`: Promotion is not offered to a user.
// * `purchase-complete`: User finishing a purchase.
// * `search`: Product search.
// * `shopping-cart-page-view`: User viewing a shopping cart.
string event_type = 1 [(google.api.field_behavior) = REQUIRED];
// Required. A unique identifier for tracking visitors.
//
// For example, this could be implemented with an HTTP cookie, which should be
// able to uniquely identify a visitor on a single device. This unique
// identifier should not change if the visitor log in/out of the website.
//
// Don't set the field to the same fixed ID for different users. This mixes
// the event history of those users together, which results in degraded model
// quality.
//
// The field must be a UTF-8 encoded string with a length limit of 128
// characters. Otherwise, an INVALID_ARGUMENT error is returned.
//
// The field should not contain PII or user-data. We recommend to use Google
// Analytics [Client
// ID](https://developers.google.com/analytics/devguides/collection/analyticsjs/field-reference#clientId)
// for this field.
string visitor_id = 2 [(google.api.field_behavior) = REQUIRED];
// A unique identifier for tracking a visitor session with a length limit of
// 128 bytes. A session is an aggregation of an end user behavior in a time
// span.
//
// A general guideline to populate the sesion_id:
// 1. If user has no activity for 30 min, a new session_id should be assigned.
// 2. The session_id should be unique across users, suggest use uuid or add
// visitor_id as prefix.
string session_id = 21;
// Only required for
// [UserEventService.ImportUserEvents][google.cloud.retail.v2.UserEventService.ImportUserEvents]
// method. Timestamp of when the user event happened.
google.protobuf.Timestamp event_time = 3;
// A list of identifiers for the independent experiment groups this user event
// belongs to. This is used to distinguish between user events associated with
// different experiment setups (e.g. using Retail API, using different
// recommendation models).
repeated string experiment_ids = 4;
// Highly recommended for user events that are the result of
// [PredictionService.Predict][google.cloud.retail.v2.PredictionService.Predict].
// This field enables accurate attribution of recommendation model
// performance.
//
// The value must be a valid
// [PredictResponse.attribution_token][google.cloud.retail.v2.PredictResponse.attribution_token]
// for user events that are the result of
// [PredictionService.Predict][google.cloud.retail.v2.PredictionService.Predict].
// The value must be a valid
// [SearchResponse.attribution_token][google.cloud.retail.v2.SearchResponse.attribution_token]
// for user events that are the result of
// [SearchService.Search][google.cloud.retail.v2.SearchService.Search].
//
// This token enables us to accurately attribute page view or purchase back to
// the event and the particular predict response containing this
// clicked/purchased product. If user clicks on product K in the
// recommendation results, pass
// [PredictResponse.attribution_token][google.cloud.retail.v2.PredictResponse.attribution_token]
// as a URL parameter to product K's page. When recording events on product
// K's page, log the
// [PredictResponse.attribution_token][google.cloud.retail.v2.PredictResponse.attribution_token]
// to this field.
string attribution_token = 5;
// The main product details related to the event.
//
// This field is optional except for the following event types:
//
// * `add-to-cart`
// * `detail-page-view`
// * `purchase-complete`
//
// In a `search` event, this field represents the products returned to the end
// user on the current page (the end user may have not finished browsing the
// whole page yet). When a new page is returned to the end user, after
// pagination/filtering/ordering even for the same query, a new `search` event
// with different
// [product_details][google.cloud.retail.v2.UserEvent.product_details] is
// desired. The end user may have not finished browsing the whole page yet.
repeated ProductDetail product_details = 6;
// The main auto-completion details related to the event.
//
// This field should be set for `search` event when autocomplete function is
// enabled and the user clicks a suggestion for search.
CompletionDetail completion_detail = 22;
// Extra user event features to include in the recommendation model.
//
// If you provide custom attributes for ingested user events, also include
// them in the user events that you associate with prediction requests. Custom
// attribute formatting must be consistent between imported events and events
// provided with prediction requests. This lets the Retail API use
// those custom attributes when training models and serving predictions, which
// helps improve recommendation quality.
//
// This field needs to pass all below criteria, otherwise an INVALID_ARGUMENT
// error is returned:
//
// * The key must be a UTF-8 encoded string with a length limit of 5,000
// characters.
// * For text attributes, at most 400 values are allowed. Empty values are not
// allowed. Each value must be a UTF-8 encoded string with a length limit of
// 256 characters.
// * For number attributes, at most 400 values are allowed.
//
// For product recommendations, an example of extra user information is
// traffic_channel, which is how a user arrives at the site. Users can arrive
// at the site by coming to the site directly, coming through Google
// search, or in other ways.
map<string, CustomAttribute> attributes = 7;
// The ID or name of the associated shopping cart. This ID is used
// to associate multiple items added or present in the cart before purchase.
//
// This can only be set for `add-to-cart`, `purchase-complete`, or
// `shopping-cart-page-view` events.
string cart_id = 8;
// A transaction represents the entire purchase transaction.
//
// Required for `purchase-complete` events. Other event types should not set
// this field. Otherwise, an INVALID_ARGUMENT error is returned.
PurchaseTransaction purchase_transaction = 9;
// The user's search query.
//
// See [SearchRequest.query][google.cloud.retail.v2.SearchRequest.query] for
// definition.
//
// The value must be a UTF-8 encoded string with a length limit of 5,000
// characters. Otherwise, an INVALID_ARGUMENT error is returned.
//
// At least one of
// [search_query][google.cloud.retail.v2.UserEvent.search_query] or
// [page_categories][google.cloud.retail.v2.UserEvent.page_categories] is
// required for `search` events. Other event types should not set this field.
// Otherwise, an INVALID_ARGUMENT error is returned.
string search_query = 10;
// The filter syntax consists of an expression language for constructing a
// predicate from one or more fields of the products being filtered.
//
// See [SearchRequest.filter][google.cloud.retail.v2.SearchRequest.filter] for
// definition and syntax.
//
// The value must be a UTF-8 encoded string with a length limit of 1,000
// characters. Otherwise, an INVALID_ARGUMENT error is returned.
string filter = 16;
// The order in which products are returned.
//
// See [SearchRequest.order_by][google.cloud.retail.v2.SearchRequest.order_by]
// for definition and syntax.
//
// The value must be a UTF-8 encoded string with a length limit of 1,000
// characters. Otherwise, an INVALID_ARGUMENT error is returned.
//
// This can only be set for `search` events. Other event types should not set
// this field. Otherwise, an INVALID_ARGUMENT error is returned.
string order_by = 17;
// An integer that specifies the current offset for pagination (the 0-indexed
// starting location, amongst the products deemed by the API as relevant).
//
// See [SearchRequest.offset][google.cloud.retail.v2.SearchRequest.offset] for
// definition.
//
// If this field is negative, an INVALID_ARGUMENT is returned.
//
// This can only be set for `search` events. Other event types should not set
// this field. Otherwise, an INVALID_ARGUMENT error is returned.
int32 offset = 18;
// The categories associated with a category page.
//
// To represent full path of category, use '>' sign to separate different
// hierarchies. If '>' is part of the category name, replace it with
// other character(s).
//
// Category pages include special pages such as sales or promotions. For
// instance, a special sale page may have the category hierarchy:
// "pageCategories" : ["Sales > 2017 Black Friday Deals"].
//
// Required for `category-page-view` events. At least one of
// [search_query][google.cloud.retail.v2.UserEvent.search_query] or
// [page_categories][google.cloud.retail.v2.UserEvent.page_categories] is
// required for `search` events. Other event types should not set this field.
// Otherwise, an INVALID_ARGUMENT error is returned.
repeated string page_categories = 11;
// User information.
UserInfo user_info = 12;
// Complete URL (window.location.href) of the user's current page.
//
// When using the client side event reporting with JavaScript pixel and Google
// Tag Manager, this value is filled in automatically. Maximum length 5,000
// characters.
string uri = 13;
// The referrer URL of the current page.
//
// When using the client side event reporting with JavaScript pixel and Google
// Tag Manager, this value is filled in automatically.
string referrer_uri = 14;
// A unique ID of a web page view.
//
// This should be kept the same for all user events triggered from the same
// pageview. For example, an item detail page view could trigger multiple
// events as the user is browsing the page. The `pageViewId` property should
// be kept the same for all these events so that they can be grouped together
// properly.
//
// When using the client side event reporting with JavaScript pixel and Google
// Tag Manager, this value is filled in automatically.
string page_view_id = 15;
// The entity for customers that may run multiple different entities, domains,
// sites or regions, for example, `Google US`, `Google Ads`, `Waymo`,
// `google.com`, `youtube.com`, etc.
// It is recommended to set this field to get better per-entity search,
// completion and prediction results.
string entity = 23;
}
// Detailed product information associated with a user event.
message ProductDetail {
// Required. [Product][google.cloud.retail.v2.Product] information.
//
// Required field(s):
//
// * [Product.id][google.cloud.retail.v2.Product.id]
//
// Optional override field(s):
//
// * [Product.price_info][google.cloud.retail.v2.Product.price_info]
//
// If any supported optional fields are provided, we will treat them as a full
// override when looking up product information from the catalog. Thus, it is
// important to ensure that the overriding fields are accurate and
// complete.
//
// All other product fields are ignored and instead populated via catalog
// lookup after event ingestion.
Product product = 1 [(google.api.field_behavior) = REQUIRED];
// Quantity of the product associated with the user event.
//
// For example, this field will be 2 if two products are added to the shopping
// cart for `purchase-complete` event. Required for `add-to-cart` and
// `purchase-complete` event types.
google.protobuf.Int32Value quantity = 2;
}
// Detailed completion information including completion attribution token and
// clicked completion info.
message CompletionDetail {
// Completion attribution token in
// [CompleteQueryResponse.attribution_token][google.cloud.retail.v2.CompleteQueryResponse.attribution_token].
string completion_attribution_token = 1;
// End user selected
// [CompleteQueryResponse.CompletionResult.suggestion][google.cloud.retail.v2.CompleteQueryResponse.CompletionResult.suggestion].
string selected_suggestion = 2;
// End user selected
// [CompleteQueryResponse.CompletionResult.suggestion][google.cloud.retail.v2.CompleteQueryResponse.CompletionResult.suggestion]
// position, starting from 0.
int32 selected_position = 3;
}
// A transaction represents the entire purchase transaction.
message PurchaseTransaction {
// The transaction ID with a length limit of 128 characters.
string id = 1;
// Required. Total non-zero revenue or grand total associated with the
// transaction. This value include shipping, tax, or other adjustments to
// total revenue that you want to include as part of your revenue
// calculations.
float revenue = 2 [(google.api.field_behavior) = REQUIRED];
// All the taxes associated with the transaction.
float tax = 3;
// All the costs associated with the products. These can be manufacturing
// costs, shipping expenses not borne by the end user, or any other costs,
// such that:
//
// * Profit = [revenue][google.cloud.retail.v2.PurchaseTransaction.revenue] -
// [tax][google.cloud.retail.v2.PurchaseTransaction.tax] -
// [cost][google.cloud.retail.v2.PurchaseTransaction.cost]
float cost = 4;
// Required. Currency code. Use three-character ISO-4217 code.
string currency_code = 5 [(google.api.field_behavior) = REQUIRED];
}