Metrics Platform/Contextual attributes

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Contextual attributes are fields in the event data that provide information about the performer who triggered the event and the wiki where the event occurred. The values of contextual attributes are populated automatically by Metrics Platform when the event is generated. This page documents the contextual attributes that are supported by each Metrics Platform client.

For attribute descriptions and types, see the base schema definitions.

JavaScript

The JavaScript client supports these contextual attributes:^[1]

Included automatically:^[2]

agent_client_platform
agent_client_platform_family

Optional:

page_id
page_title
page_namespace
page_namespace_name
page_revision_id
page_wikidata_id
page_wikidata_qid
page_content_language
page_is_redirect
page_user_groups_allowed_to_move
page_user_groups_allowed_to_edit
mediawiki_skin
mediawiki_version
mediawiki_is_production
mediawiki_is_debug_mode
mediawiki_database
mediawiki_site_content_language
mediawiki_site_content_language_variant
performer_is_logged_in
performer_id
performer_name
performer_session_id
performer_active_browsing_session_token
performer_pageview_id
performer_groups
performer_is_bot
performer_is_temp
performer_language
performer_language_variant
performer_can_probably_edit_page
performer_edit_count
performer_edit_count_bucket
performer_registration_dt

PHP

The PHP client supports these contextual attributes:^[3]

Included automatically:^[4]

agent_client_platform
agent_client_platform_family

Optional:

page_id
page_title
page_namespace
page_namespace_name
page_revision_id
page_wikidata_id
page_wikidata_qid
page_content_language
page_is_redirect
page_user_groups_allowed_to_move
page_user_groups_allowed_to_edit
mediawiki_skin
mediawiki_version
mediawiki_is_production
mediawiki_is_debug_mode
mediawiki_database
mediawiki_site_content_language
mediawiki_site_content_language_variant
performer_is_logged_in
performer_id
performer_name
performer_groups
performer_is_bot
performer_is_temp
performer_language
performer_language_variant
performer_can_probably_edit_page
performer_edit_count
performer_edit_count_bucket
performer_registration_dt

Java

The Java client supports these contextual attributes:^[5]

Included automatically:^[6]

agent_app_flavor
agent_app_install_id
agent_app_theme
agent_app_version
agent_app_version_name
agent_client_platform
agent_client_platform_family
agent_device_family
agent_device_language
agent_release_status

Optional:

mediawiki_database
page_id
page_title
page_namespace_id
page_namespace_name
page_revision_id
page_wikidata_qid
page_content_language
performer_id
performer_name
performer_is_logged_in
performer_is_temp
performer_session_id
performer_pageview_id
performer_groups
performer_language_groups
performer_language_primary
performer_registration_dt

Swift

The Swift client supports these contextual attributes:^[7]

Included automatically:^[8]

agent_app_install_id
agent_client_platform
agent_client_platform_family

Optional:

page_id
page_title
page_namespace
page_namespace_name
page_revision_id
page_wikidata_id
page_content_language
page_is_redirect
page_user_groups_allowed_to_edit
page_user_groups_allowed_to_move
mediawiki_skin
mediawiki_version
mediawiki_is_production
mediawiki_is_debug_mode
mediawiki_database
mediawiki_site_content_language
mediawiki_site_content_language_variant
performer_is_logged_in
performer_id
performer_name
performer_session_id
performer_pageview_id
performer_groups
performer_is_bot
performer_language
performer_language_variant
performer_can_probably_edit_page
performer_edit_count
performer_edit_count_bucket
performer_registration_dt

Enabling optional attributes

While each client includes a few contextual attributes automatically, most attributes must be enabled in the instrument's event stream configuration. To enable a contextual attribute, list the attribute name in the provide_values array. For more information, see the stream configuration guide.

For example, this stream configuration enables two contextual attributes: page_id and page_title.

ext-EventStreamConfig.php

// …
'mediawiki.interwiki_link_hover' => [
    'schema_title' => 'analytics/product_metrics/web/base',
    'destination_event_service' => 'eventgate-analytics-external',
    'producers' => [
        'metrics_platform_client' => [
            // Contextual attributes to add to the event before it is submitted to this stream.
            'provide_values' => [
                "page_id",
                "page_title"
            ],
        ],
    ],
],
// …

References

[1] tlab:repos/data-engineering/metrics-platform/-/blob/main/js/src/ContextUtils.js

[2] tlab:repos/data-engineering/metrics-platform/-/blob/main/js/src/ContextController.js

[3] tlab:repos/data-engineering/metrics-platform/-/blob/main/php/src/StreamConfig/StreamConfig.php

[4] tlab:repos/data-engineering/metrics-platform/-/blob/main/php/src/ContextController.php

[5] tlab:repos/data-engineering/metrics-platform/-/blob/main/java/src/main/java/org/wikimedia/metrics_platform/context/ContextValue.java

[6] tlab:repos/data-engineering/metrics-platform/-/blob/main/java/src/main/java/org/wikimedia/metrics_platform/ContextController.java?ref_type=heads#L55

[7] tlab:repos/data-engineering/metrics-platform/-/blob/main/swift/Sources/WikimediaMetricsPlatform/StreamConfig/ContextAttribute.swift

[8] tlab:repos/data-engineering/metrics-platform/-/blob/main/swift/Sources/WikimediaMetricsPlatform/Context/ContextController.swift#L16

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