NOTE: you may be tempted to resolve this ticket, but please make sure that all the subtickets have been resolved and it has passed through a sprint board first, as we are using it to make sure we remember to do a full QA of instrumentation before we launch
Background
In T397532 we are planning to measure the usage of the new reading list feature on web. In order to do this, we need to implement click tracking instrumentation that measures the overall usage of this feature.
User story
As a product team, we need to make data-driven decisions of the direct of the reading list feature on web.
Design requirements
 |  |
| clicks on article view | clicks on reading list view |
Requirements
- A custom instrument is written to enable click tracking for the initial Reading list on web experiment
- Implement the following instrumentation events:
- Common contextual attributes for all events - stream configuration should capture these
- agent_client_platform - agent_client_platform_family - page_content_language - page_namespace_id - mediawiki_skin - mediawiki.database - performer.is_logged_in - performer.is_temp - performer.is_bot - performer.edit_count_bucket - performer.session_id - dt - meta.dt
- Page load event - Whenever a page loads and the user is in the experiment
action: page_load action_source: internal_referer / external_referer
- Save/remove entry point clicks - When user clicks the bookmark button from either toolbar, sticky header or page tools.
action: click
action_subtype: save_to_reading_list / remove_from_reading_list
action_source:sticky_header / toolbar
action_context={article_count: <INT>}- Views of reading list from article page - User clicks to view reading list icon on the top of the page
action: click action_subtype: view_reading_list action_source: top_right
- Views of reading list from on the "article saved" popup - User clicks on the 'view list' on the article saved popup
action: click action_subtype: view_reading_list action_source: article_saved_popup
- Views of an article from the reading list - User clicks on an article link in the reading list
action: click
action_subtype: view_article
action_source:reading_list
action_context={article_count: <INT>}Acceptance criteria
- Add clear acceptance criteria.
Communication criteria
Add if this needs an announcement or discussion.
Rollback plan
Describe the rollback plan in production for this task if something goes wrong.
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