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conversation.proto
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// Copyright 2023 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.dialogflow.v2;
import "google/api/annotations.proto";
import "google/api/client.proto";
import "google/api/field_behavior.proto";
import "google/api/resource.proto";
import "google/cloud/dialogflow/v2/conversation_profile.proto";
import "google/cloud/dialogflow/v2/participant.proto";
import "google/cloud/dialogflow/v2/session.proto";
import "google/protobuf/timestamp.proto";
option cc_enable_arenas = true;
option csharp_namespace = "Google.Cloud.Dialogflow.V2";
option go_package = "cloud.google.com/go/dialogflow/apiv2/dialogflowpb;dialogflowpb";
option java_multiple_files = true;
option java_outer_classname = "ConversationProto";
option java_package = "com.google.cloud.dialogflow.v2";
option objc_class_prefix = "DF";
// Service for managing
// [Conversations][google.cloud.dialogflow.v2.Conversation].
service Conversations {
option (google.api.default_host) = "dialogflow.googleapis.com";
option (google.api.oauth_scopes) =
"https://www.googleapis.com/auth/cloud-platform,"
"https://www.googleapis.com/auth/dialogflow";
// Creates a new conversation. Conversations are auto-completed after 24
// hours.
//
// Conversation Lifecycle:
// There are two stages during a conversation: Automated Agent Stage and
// Assist Stage.
//
// For Automated Agent Stage, there will be a dialogflow agent responding to
// user queries.
//
// For Assist Stage, there's no dialogflow agent responding to user queries.
// But we will provide suggestions which are generated from conversation.
//
// If
// [Conversation.conversation_profile][google.cloud.dialogflow.v2.Conversation.conversation_profile]
// is configured for a dialogflow agent, conversation will start from
// `Automated Agent Stage`, otherwise, it will start from `Assist Stage`. And
// during `Automated Agent Stage`, once an
// [Intent][google.cloud.dialogflow.v2.Intent] with
// [Intent.live_agent_handoff][google.cloud.dialogflow.v2.Intent.live_agent_handoff]
// is triggered, conversation will transfer to Assist Stage.
rpc CreateConversation(CreateConversationRequest) returns (Conversation) {
option (google.api.http) = {
post: "/v2/{parent=projects/*}/conversations"
body: "conversation"
additional_bindings {
post: "/v2/{parent=projects/*/locations/*}/conversations"
body: "conversation"
}
};
option (google.api.method_signature) = "parent,conversation";
}
// Returns the list of all conversations in the specified project.
rpc ListConversations(ListConversationsRequest)
returns (ListConversationsResponse) {
option (google.api.http) = {
get: "/v2/{parent=projects/*}/conversations"
additional_bindings {
get: "/v2/{parent=projects/*/locations/*}/conversations"
}
};
option (google.api.method_signature) = "parent";
}
// Retrieves the specific conversation.
rpc GetConversation(GetConversationRequest) returns (Conversation) {
option (google.api.http) = {
get: "/v2/{name=projects/*/conversations/*}"
additional_bindings {
get: "/v2/{name=projects/*/locations/*/conversations/*}"
}
};
option (google.api.method_signature) = "name";
}
// Completes the specified conversation. Finished conversations are purged
// from the database after 30 days.
rpc CompleteConversation(CompleteConversationRequest) returns (Conversation) {
option (google.api.http) = {
post: "/v2/{name=projects/*/conversations/*}:complete"
body: "*"
additional_bindings {
post: "/v2/{name=projects/*/locations/*/conversations/*}:complete"
body: "*"
}
};
option (google.api.method_signature) = "name";
}
// Lists messages that belong to a given conversation.
// `messages` are ordered by `create_time` in descending order. To fetch
// updates without duplication, send request with filter
// `create_time_epoch_microseconds >
// [first item's create_time of previous request]` and empty page_token.
rpc ListMessages(ListMessagesRequest) returns (ListMessagesResponse) {
option (google.api.http) = {
get: "/v2/{parent=projects/*/conversations/*}/messages"
additional_bindings {
get: "/v2/{parent=projects/*/locations/*/conversations/*}/messages"
}
};
option (google.api.method_signature) = "parent";
}
// Suggests summary for a conversation based on specific historical messages.
// The range of the messages to be used for summary can be specified in the
// request.
rpc SuggestConversationSummary(SuggestConversationSummaryRequest)
returns (SuggestConversationSummaryResponse) {
option (google.api.http) = {
post: "/v2/{conversation=projects/*/conversations/*}/suggestions:suggestConversationSummary"
body: "*"
additional_bindings {
post: "/v2/{conversation=projects/*/locations/*/conversations/*}/suggestions:suggestConversationSummary"
body: "*"
}
};
option (google.api.method_signature) = "conversation";
}
// Generates and returns a summary for a conversation that does not have a
// resource created for it.
rpc GenerateStatelessSummary(GenerateStatelessSummaryRequest)
returns (GenerateStatelessSummaryResponse) {
option (google.api.http) = {
post: "/v2/{stateless_conversation.parent=projects/*}/suggestions:generateStatelessSummary"
body: "*"
additional_bindings {
post: "/v2/{stateless_conversation.parent=projects/*/locations/*}/suggestions:generateStatelessSummary"
body: "*"
}
};
}
// Get answers for the given query based on knowledge documents.
rpc SearchKnowledge(SearchKnowledgeRequest)
returns (SearchKnowledgeResponse) {
option (google.api.http) = {
post: "/v2/{parent=projects/*}/suggestions:searchKnowledge"
body: "*"
additional_bindings {
post: "/v2/{parent=projects/*/locations/*}/suggestions:searchKnowledge"
body: "*"
}
additional_bindings {
post: "/v2/{conversation=projects/*/conversations/*}/suggestions:searchKnowledge"
body: "*"
}
additional_bindings {
post: "/v2/{conversation=projects/*/locations/*/conversations/*}/suggestions:searchKnowledge"
body: "*"
}
};
}
}
// Represents a conversation.
// A conversation is an interaction between an agent, including live agents
// and Dialogflow agents, and a support customer. Conversations can
// include phone calls and text-based chat sessions.
message Conversation {
option (google.api.resource) = {
type: "dialogflow.googleapis.com/Conversation"
pattern: "projects/{project}/conversations/{conversation}"
pattern: "projects/{project}/locations/{location}/conversations/{conversation}"
};
// Enumeration of the completion status of the conversation.
enum LifecycleState {
// Unknown.
LIFECYCLE_STATE_UNSPECIFIED = 0;
// Conversation is currently open for media analysis.
IN_PROGRESS = 1;
// Conversation has been completed.
COMPLETED = 2;
}
// Enumeration of the different conversation stages a conversation can be in.
// Reference:
// https://cloud.google.com/dialogflow/priv/docs/contact-center/basics#stages
enum ConversationStage {
// Unknown. Should never be used after a conversation is successfully
// created.
CONVERSATION_STAGE_UNSPECIFIED = 0;
// The conversation should return virtual agent responses into the
// conversation.
VIRTUAL_AGENT_STAGE = 1;
// The conversation should not provide responses, just listen and provide
// suggestions.
HUMAN_ASSIST_STAGE = 2;
}
// Output only. The unique identifier of this conversation.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>`.
string name = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
// Output only. The current state of the Conversation.
LifecycleState lifecycle_state = 2
[(google.api.field_behavior) = OUTPUT_ONLY];
// Required. The Conversation Profile to be used to configure this
// Conversation. This field cannot be updated.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversationProfiles/<Conversation Profile ID>`.
string conversation_profile = 3 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/ConversationProfile"
}
];
// Output only. It will not be empty if the conversation is to be connected
// over telephony.
ConversationPhoneNumber phone_number = 4
[(google.api.field_behavior) = OUTPUT_ONLY];
// Output only. The time the conversation was started.
google.protobuf.Timestamp start_time = 5
[(google.api.field_behavior) = OUTPUT_ONLY];
// Output only. The time the conversation was finished.
google.protobuf.Timestamp end_time = 6
[(google.api.field_behavior) = OUTPUT_ONLY];
// The stage of a conversation. It indicates whether the virtual agent or a
// human agent is handling the conversation.
//
// If the conversation is created with the conversation profile that has
// Dialogflow config set, defaults to
// [ConversationStage.VIRTUAL_AGENT_STAGE][google.cloud.dialogflow.v2.Conversation.ConversationStage.VIRTUAL_AGENT_STAGE];
// Otherwise, defaults to
// [ConversationStage.HUMAN_ASSIST_STAGE][google.cloud.dialogflow.v2.Conversation.ConversationStage.HUMAN_ASSIST_STAGE].
//
// If the conversation is created with the conversation profile that has
// Dialogflow config set but explicitly sets conversation_stage to
// [ConversationStage.HUMAN_ASSIST_STAGE][google.cloud.dialogflow.v2.Conversation.ConversationStage.HUMAN_ASSIST_STAGE],
// it skips
// [ConversationStage.VIRTUAL_AGENT_STAGE][google.cloud.dialogflow.v2.Conversation.ConversationStage.VIRTUAL_AGENT_STAGE]
// stage and directly goes to
// [ConversationStage.HUMAN_ASSIST_STAGE][google.cloud.dialogflow.v2.Conversation.ConversationStage.HUMAN_ASSIST_STAGE].
ConversationStage conversation_stage = 7;
}
// The request message for
// [Conversations.CreateConversation][google.cloud.dialogflow.v2.Conversations.CreateConversation].
message CreateConversationRequest {
// Required. Resource identifier of the project creating the conversation.
// Format: `projects/<Project ID>/locations/<Location ID>`.
string parent = 1 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
child_type: "dialogflow.googleapis.com/Conversation"
}
];
// Required. The conversation to create.
Conversation conversation = 2 [(google.api.field_behavior) = REQUIRED];
// Optional. Identifier of the conversation. Generally it's auto generated by
// Google. Only set it if you cannot wait for the response to return a
// auto-generated one to you.
//
// The conversation ID must be compliant with the regression fomula
// `[a-zA-Z][a-zA-Z0-9_-]*` with the characters length in range of [3,64].
// If the field is provided, the caller is resposible for
// 1. the uniqueness of the ID, otherwise the request will be rejected.
// 2. the consistency for whether to use custom ID or not under a project to
// better ensure uniqueness.
string conversation_id = 3 [(google.api.field_behavior) = OPTIONAL];
}
// The request message for
// [Conversations.ListConversations][google.cloud.dialogflow.v2.Conversations.ListConversations].
message ListConversationsRequest {
// Required. The project from which to list all conversation.
// Format: `projects/<Project ID>/locations/<Location ID>`.
string parent = 1 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
child_type: "dialogflow.googleapis.com/Conversation"
}
];
// Optional. The maximum number of items to return in a single page. By
// default 100 and at most 1000.
int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
// Optional. The next_page_token value returned from a previous list request.
string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
// A filter expression that filters conversations listed in the response. In
// general, the expression must specify the field name, a comparison operator,
// and the value to use for filtering:
// <ul>
// <li>The value must be a string, a number, or a boolean.</li>
// <li>The comparison operator must be either `=`,`!=`, `>`, or `<`.</li>
// <li>To filter on multiple expressions, separate the
// expressions with `AND` or `OR` (omitting both implies `AND`).</li>
// <li>For clarity, expressions can be enclosed in parentheses.</li>
// </ul>
// Only `lifecycle_state` can be filtered on in this way. For example,
// the following expression only returns `COMPLETED` conversations:
//
// `lifecycle_state = "COMPLETED"`
//
// For more information about filtering, see
// [API Filtering](https://aip.dev/160).
string filter = 4;
}
// The response message for
// [Conversations.ListConversations][google.cloud.dialogflow.v2.Conversations.ListConversations].
message ListConversationsResponse {
// The list of conversations. There will be a maximum number of items
// returned based on the page_size field in the request.
repeated Conversation conversations = 1;
// Token to retrieve the next page of results, or empty if there are no
// more results in the list.
string next_page_token = 2;
}
// The request message for
// [Conversations.GetConversation][google.cloud.dialogflow.v2.Conversations.GetConversation].
message GetConversationRequest {
// Required. The name of the conversation. Format:
// `projects/<Project ID>/locations/<Location ID>/conversations/<Conversation
// ID>`.
string name = 1 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Conversation"
}
];
}
// The request message for
// [Conversations.CompleteConversation][google.cloud.dialogflow.v2.Conversations.CompleteConversation].
message CompleteConversationRequest {
// Required. Resource identifier of the conversation to close.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>`.
string name = 1 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Conversation"
}
];
}
// The request message for
// [Conversations.ListMessages][google.cloud.dialogflow.v2.Conversations.ListMessages].
message ListMessagesRequest {
// Required. The name of the conversation to list messages for.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>`
string parent = 1 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
child_type: "dialogflow.googleapis.com/Message"
}
];
// Optional. Filter on message fields. Currently predicates on `create_time`
// and `create_time_epoch_microseconds` are supported. `create_time` only
// support milliseconds accuracy. E.g.,
// `create_time_epoch_microseconds > 1551790877964485` or
// `create_time > 2017-01-15T01:30:15.01Z`.
//
// For more information about filtering, see
// [API Filtering](https://aip.dev/160).
string filter = 4 [(google.api.field_behavior) = OPTIONAL];
// Optional. The maximum number of items to return in a single page. By
// default 100 and at most 1000.
int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
// Optional. The next_page_token value returned from a previous list request.
string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
}
// The response message for
// [Conversations.ListMessages][google.cloud.dialogflow.v2.Conversations.ListMessages].
message ListMessagesResponse {
// The list of messages. There will be a maximum number of items
// returned based on the page_size field in the request.
// `messages` is sorted by `create_time` in descending order.
repeated Message messages = 1;
// Token to retrieve the next page of results, or empty if there are
// no more results in the list.
string next_page_token = 2;
}
// Represents a phone number for telephony integration. It allows for connecting
// a particular conversation over telephony.
message ConversationPhoneNumber {
// Output only. The phone number to connect to this conversation.
string phone_number = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
}
// The request message for
// [Conversations.SuggestConversationSummary][google.cloud.dialogflow.v2.Conversations.SuggestConversationSummary].
message SuggestConversationSummaryRequest {
// Required. The conversation to fetch suggestion for.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>`.
string conversation = 1 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Conversation"
}
];
// The name of the latest conversation message used as context for
// compiling suggestion. If empty, the latest message of the conversation will
// be used.
//
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>/messages/<Message ID>`.
string latest_message = 3 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Message"
}];
// Max number of messages prior to and including
// [latest_message] to use as context when compiling the
// suggestion. By default 500 and at most 1000.
int32 context_size = 4;
// Parameters for a human assist query. Only used for POC/demo purpose.
AssistQueryParameters assist_query_params = 5;
}
// The response message for
// [Conversations.SuggestConversationSummary][google.cloud.dialogflow.v2.Conversations.SuggestConversationSummary].
message SuggestConversationSummaryResponse {
// Generated summary for a conversation.
message Summary {
// The summary content that is concatenated into one string.
string text = 1;
// The summary content that is divided into sections. The key is the
// section's name and the value is the section's content. There is no
// specific format for the key or value.
map<string, string> text_sections = 4;
// The name of the answer record. Format:
// "projects/<Project ID>/answerRecords/<Answer Record ID>"
string answer_record = 3 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/AnswerRecord"
}];
// The baseline model version used to generate this summary. It is empty if
// a baseline model was not used to generate this summary.
string baseline_model_version = 5;
}
// Generated summary.
Summary summary = 1;
// The name of the latest conversation message used as context for
// compiling suggestion.
//
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>/messages/<Message ID>`.
string latest_message = 2 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Message"
}];
// Number of messages prior to and including
// [last_conversation_message][] used to compile the suggestion. It may be
// smaller than the [SuggestSummaryRequest.context_size][] field in the
// request if there weren't that many messages in the conversation.
int32 context_size = 3;
}
// The request message for
// [Conversations.GenerateStatelessSummary][google.cloud.dialogflow.v2.Conversations.GenerateStatelessSummary].
message GenerateStatelessSummaryRequest {
// The minimum amount of information required to generate a Summary without
// having a Conversation resource created.
message MinimalConversation {
// Required. The messages that the Summary will be generated from. It is
// expected that this message content is already redacted and does not
// contain any PII. Required fields: {content, language_code, participant,
// participant_role} Optional fields: {send_time} If send_time is not
// provided, then the messages must be provided in chronological order.
repeated Message messages = 1 [(google.api.field_behavior) = REQUIRED];
// Required. The parent resource to charge for the Summary's generation.
// Format: `projects/<Project ID>/locations/<Location ID>`.
string parent = 2 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
type: "locations.googleapis.com/Location"
}
];
}
// Required. The conversation to suggest a summary for.
MinimalConversation stateless_conversation = 1
[(google.api.field_behavior) = REQUIRED];
// Required. A ConversationProfile containing information required for Summary
// generation.
// Required fields: {language_code, security_settings}
// Optional fields: {agent_assistant_config}
ConversationProfile conversation_profile = 2
[(google.api.field_behavior) = REQUIRED];
// The name of the latest conversation message used as context for
// generating a Summary. If empty, the latest message of the conversation will
// be used. The format is specific to the user and the names of the messages
// provided.
string latest_message = 3 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Message"
}];
// Max number of messages prior to and including
// [latest_message] to use as context when compiling the
// suggestion. By default 500 and at most 1000.
int32 max_context_size = 4;
}
// The response message for
// [Conversations.GenerateStatelessSummary][google.cloud.dialogflow.v2.Conversations.GenerateStatelessSummary].
message GenerateStatelessSummaryResponse {
// Generated summary for a conversation.
message Summary {
// The summary content that is concatenated into one string.
string text = 1;
// The summary content that is divided into sections. The key is the
// section's name and the value is the section's content. There is no
// specific format for the key or value.
map<string, string> text_sections = 2;
// The baseline model version used to generate this summary. It is empty if
// a baseline model was not used to generate this summary.
string baseline_model_version = 4;
}
// Generated summary.
Summary summary = 1;
// The name of the latest conversation message used as context for
// compiling suggestion. The format is specific to the user and the names of
// the messages provided.
string latest_message = 2 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Message"
}];
// Number of messages prior to and including
// [last_conversation_message][] used to compile the suggestion. It may be
// smaller than the [GenerateStatelessSummaryRequest.context_size][] field in
// the request if there weren't that many messages in the conversation.
int32 context_size = 3;
}
// The request message for
// [Conversations.SearchKnowledge][google.cloud.dialogflow.v2.Conversations.SearchKnowledge].
message SearchKnowledgeRequest {
// The parent resource contains the conversation profile
// Format: 'projects/<Project ID>' or `projects/<Project
// ID>/locations/<Location ID>`.
string parent = 6;
// Required. The natural language text query for knowledge search.
TextInput query = 1 [(google.api.field_behavior) = REQUIRED];
// Required. The conversation profile used to configure the search.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversationProfiles/<Conversation Profile ID>`.
string conversation_profile = 2 [
(google.api.field_behavior) = REQUIRED,
(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/ConversationProfile"
}
];
// The ID of the search session.
// The session_id can be combined with Dialogflow V3 Agent ID retrieved from
// conversation profile or on its own to identify a search session. The search
// history of the same session will impact the search result. It's up to the
// API caller to choose an appropriate `Session ID`. It can be a random number
// or some type of session identifiers (preferably hashed). The length must
// not exceed 36 characters.
string session_id = 3;
// The conversation (between human agent and end user) where the search
// request is triggered. Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>`.
string conversation = 4 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Conversation"
}];
// The name of the latest conversation message when the request is
// triggered.
// Format: `projects/<Project ID>/locations/<Location
// ID>/conversations/<Conversation ID>/messages/<Message ID>`.
string latest_message = 5 [(google.api.resource_reference) = {
type: "dialogflow.googleapis.com/Message"
}];
}
// The response message for
// [Conversations.SearchKnowledge][google.cloud.dialogflow.v2.Conversations.SearchKnowledge].
message SearchKnowledgeResponse {
// Most relevant snippets extracted from articles in the given knowledge base,
// ordered by confidence.
repeated SearchKnowledgeAnswer answers = 2;
// The rewritten query used to search knowledge.
string rewritten_query = 3;
}
// Represents a SearchKnowledge answer.
message SearchKnowledgeAnswer {
// The type of the answer.
enum AnswerType {
// The answer has a unspecified type.
ANSWER_TYPE_UNSPECIFIED = 0;
// The answer is from FAQ documents.
FAQ = 1;
// The answer is from generative model.
GENERATIVE = 2;
// The answer is from intent matching.
INTENT = 3;
}
// The sources of the answers.
message AnswerSource {
// The title of the article.
string title = 1;
// The URI of the article.
string uri = 2;
// The relevant snippet of the article.
string snippet = 3;
}
// The piece of text from the knowledge base documents that answers
// the search query
string answer = 1;
// The type of the answer.
AnswerType answer_type = 2;
// All sources used to generate the answer.
repeated AnswerSource answer_sources = 3;
// The name of the answer record.
// Format: `projects/<Project ID>/locations/<location ID>/answer
// Records/<Answer Record ID>`
string answer_record = 5;
}