components/sync/protocol/tab_group_attribution_metadata.proto

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// If you change or add any fields in this file, update proto_visitors.h and
// potentially proto_enum_conversions.{h, cc}.

syntax = "proto2";

option java_multiple_files = true;
option java_package = "org.chromium.components.sync.protocol";

option optimize_for = LITE_RUNTIME;

package sync_pb;

// Stores information about the creation and modification of a tab group or tab.
message AttributionMetadata {
  // Details about a single attribution event (creation or modification).
  message Attribution {
    // Information about the device where the attribution event occurred.
    message AttributionDeviceInfo {
      // The unique identifier for the device in the sync system.
      optional string cache_guid = 1;
    }

    // Information about the device.
    optional AttributionDeviceInfo device_info = 1;
  }

  // Identifier for device that refers to the device that created the group.
  // Should only be set on creation, and should not be edited if the value is
  // missing.

  // Information about when the specifics was created.
  // The cache guid should only be set on creation and not be edited if the
  // value is missing.
  optional Attribution created = 1;

  // Information about when the specifics was last updated.
  optional Attribution updated = 2;
}