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When designing new events, see the /wiki/spaces/AN/pages/13205895.  

NAMING CONVENTION

Determine if your new event should make it event is a research event for partners that goes into the publicly documented data package, or if whether it will only be used for internal BI purposes.  For  

  • For internal-only events,

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  • use the special prefix 'edx.bi.' for your event name.
  • For research events, make sure you tag someone on the Docs team, to make sure your new event is documented in the edX Research Guide.

Choose between server-side and client-side implementation of the event, and consider whether or not Mobile Analytics events need to be implemented separately for a native client-side feature.

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Implementing events in edx-platform is documented in Read the Docs edX Developer's Guide and /wiki/spaces/AN/pages/30967007.  This section provides some additional clarity and examples.

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  • Rule of thumb: Use server-side events where possible.  More context is available to server-side events.  Server-side events are less likely to have false duplicate events.
  • Call tracker.emit
    • Emits to Tracking Log and downstream tools (e.g. Vertica/Tableau, edX Research Package, etc.)
    • Event must be whitelisted to emit also be emitted to Segment.
      • In turn, Segment emits to other tools: Google Analytics (GA), Google Tag Manager, Optimizely, Qualaroo, Crazy Egg, Marketing tools.
      • Here are sample commits for updating the whitelist for edge.edx.org and the whitelists for edx.org.
      • At this time, it doesn't look like our code supports sending special labels to GA from server-side events.  See /wiki/spaces/AN/pages/30967007 for possibly enhancing this.
  • To send events directly to Segment:
    • This is appropriate when server-side event does not need to appear in tracking logs.
    • Call segment.track(), after "from common.djangoapps.track import segment".
    • If appropriate, also call segment.identify().  Currently the LMS only does this at login/registration.   

Client-side events

  • Rule of thumb: Where you have an option of client-side or server-side event, choose server-side (see above).
  • Tracking Log (and possibly Segment)
    • MFEs: sendTrackingLogEvent
    • Legacy code: Logger.log
    • Important: This should be renamed to Tracker.emit, but that requires a deprecation strategy including telling course teams.
    • Emits to Tracking Log and downstream tools (e.g. Vertica/Tableau, edX Research Package, etc.)
    • Event must be whitelisted to emit to Segment (see above).
  • Segment (and downstream tools)
    • MFEs: sendTrackEvent
    • Legacy code: analytics.track
    • Use this if you want Segment and its downstream tools only.  If you want the Tracking Log or both, use the other call (with or without the whitelist).
    • Emits to Segment and its downstream tools.

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  • Google Analytics (GA)
  • Google Tag Manager
  • Firebase Analytics
  • Fabric (Mobile)
  • Segment (a.k.a. Segment.io)
  • Tracking Log
  • Optimizely (A/B Testing)
  • Qualaroo (survey tool)
  • Crazy Egg (screen recording/heat mapping, may or may not be used)
  • Marketing
    • Sailthru (email marketing)
    • Facebook ad reporting

Diagnostic Tools (includes Performance):

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