(::String) — Highly recommended for logged-in users. Unique identifier for logged-in
user, such as a user name. Don't set for anonymous users.
Always use a hashed value for this ID.
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.
#user_id=
defuser_id=(value)->::String
Parameter
value (::String) — Highly recommended for logged-in users. Unique identifier for logged-in
user, such as a user name. Don't set for anonymous users.
Always use a hashed value for this ID.
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.
Returns
(::String) — Highly recommended for logged-in users. Unique identifier for logged-in
user, such as a user name. Don't set for anonymous users.
Always use a hashed value for this ID.
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.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[],[],null,["# Discovery Engine V1BETA API - Class Google::Cloud::DiscoveryEngine::V1beta::UserInfo (v0.21.0)\n\nVersion latestkeyboard_arrow_down\n\n- [0.21.0 (latest)](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.20.1](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.20.1/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.19.1](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.19.1/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.18.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.18.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.17.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.17.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.16.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.16.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.15.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.15.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.14.2](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.14.2/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.13.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.13.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.12.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.12.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.11.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.11.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.10.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.10.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.9.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.9.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.8.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.8.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.7.2](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.7.2/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.6.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.6.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.5.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.5.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.4.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.4.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.3.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.3.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.2.1](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.2.1/Google-Cloud-DiscoveryEngine-V1beta-UserInfo)\n- [0.1.0](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/0.1.0/Google-Cloud-DiscoveryEngine-V1beta-UserInfo) \nReference documentation and code samples for the Discovery Engine V1BETA API class Google::Cloud::DiscoveryEngine::V1beta::UserInfo.\n\nInformation of an end user. \n\nInherits\n--------\n\n- Object \n\nExtended By\n-----------\n\n- Google::Protobuf::MessageExts::ClassMethods \n\nIncludes\n--------\n\n- Google::Protobuf::MessageExts\n\nMethods\n-------\n\n### #user_agent\n\n def user_agent() -\u003e ::String\n\n**Returns**\n\n- (::String) --- User agent as included in the HTTP header.\n\n The field must be a UTF-8 encoded string with a length limit of 1,000\n characters. Otherwise, an `INVALID_ARGUMENT` error is returned.\n\n This should not be set when using the client side event reporting with\n GTM or JavaScript tag in\n [UserEventService.CollectUserEvent](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserEventService-Client#Google__Cloud__DiscoveryEngine__V1beta__UserEventService__Client_collect_user_event_instance_ \"Google::Cloud::DiscoveryEngine::V1beta::UserEventService::Client#collect_user_event (method)\")\n or if\n [UserEvent.direct_user_request](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserEvent#Google__Cloud__DiscoveryEngine__V1beta__UserEvent_direct_user_request_instance_ \"Google::Cloud::DiscoveryEngine::V1beta::UserEvent#direct_user_request (method)\")\n is set.\n\n### #user_agent=\n\n def user_agent=(value) -\u003e ::String\n\n**Parameter**\n\n- **value** (::String) --- User agent as included in the HTTP header.\n\n\n The field must be a UTF-8 encoded string with a length limit of 1,000\n characters. Otherwise, an `INVALID_ARGUMENT` error is returned.\n\n This should not be set when using the client side event reporting with\n GTM or JavaScript tag in\n [UserEventService.CollectUserEvent](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserEventService-Client#Google__Cloud__DiscoveryEngine__V1beta__UserEventService__Client_collect_user_event_instance_ \"Google::Cloud::DiscoveryEngine::V1beta::UserEventService::Client#collect_user_event (method)\")\n or if\n [UserEvent.direct_user_request](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserEvent#Google__Cloud__DiscoveryEngine__V1beta__UserEvent_direct_user_request_instance_ \"Google::Cloud::DiscoveryEngine::V1beta::UserEvent#direct_user_request (method)\")\nis set. \n**Returns**\n\n- (::String) --- User agent as included in the HTTP header.\n\n The field must be a UTF-8 encoded string with a length limit of 1,000\n characters. Otherwise, an `INVALID_ARGUMENT` error is returned.\n\n This should not be set when using the client side event reporting with\n GTM or JavaScript tag in\n [UserEventService.CollectUserEvent](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserEventService-Client#Google__Cloud__DiscoveryEngine__V1beta__UserEventService__Client_collect_user_event_instance_ \"Google::Cloud::DiscoveryEngine::V1beta::UserEventService::Client#collect_user_event (method)\")\n or if\n [UserEvent.direct_user_request](/ruby/docs/reference/google-cloud-discovery_engine-v1beta/latest/Google-Cloud-DiscoveryEngine-V1beta-UserEvent#Google__Cloud__DiscoveryEngine__V1beta__UserEvent_direct_user_request_instance_ \"Google::Cloud::DiscoveryEngine::V1beta::UserEvent#direct_user_request (method)\")\n is set.\n\n### #user_id\n\n def user_id() -\u003e ::String\n\n**Returns**\n\n- (::String) --- Highly recommended for logged-in users. Unique identifier for logged-in user, such as a user name. Don't set for anonymous users.\n\n Always use a hashed value for this ID.\n\n Don't set the field to the same fixed ID for different users. This mixes\n the event history of those users together, which results in degraded\n model quality.\n\n The field must be a UTF-8 encoded string with a length limit of 128\n characters. Otherwise, an `INVALID_ARGUMENT` error is returned.\n\n### #user_id=\n\n def user_id=(value) -\u003e ::String\n\n**Parameter**\n\n- **value** (::String) --- Highly recommended for logged-in users. Unique identifier for logged-in user, such as a user name. Don't set for anonymous users.\n\n\n Always use a hashed value for this ID.\n\n Don't set the field to the same fixed ID for different users. This mixes\n the event history of those users together, which results in degraded\n model quality.\n\n The field must be a UTF-8 encoded string with a length limit of 128\ncharacters. Otherwise, an `INVALID_ARGUMENT` error is returned. \n**Returns**\n\n- (::String) --- Highly recommended for logged-in users. Unique identifier for logged-in user, such as a user name. Don't set for anonymous users.\n\n Always use a hashed value for this ID.\n\n Don't set the field to the same fixed ID for different users. This mixes\n the event history of those users together, which results in degraded\n model quality.\n\n The field must be a UTF-8 encoded string with a length limit of 128\n characters. Otherwise, an `INVALID_ARGUMENT` error is returned."]]