Live snapshot · Latest To Release

Events / 🎮 Engagement Analytics

first_open_date

ready

Spec

Doc fields save here and survive re-import. Name, status, parameters, and pipeline flags change through a ticket.

Add visual aid to description

png, jpeg, webp, or gif. 5 MB max. Alt text is required. This is not a QA screenshot.

Status is ready, introduced after Release Test bkp 1. Firebase on, Adjust off (adj_first_open_date).

Open change ticket

Sheet statuses: draft, ready, implemented, verified, deprecated.

Edits

Nickname recorded with each doc save or comment. It is not a verified identity.

No edits recorded yet.

    Parameters

    1 on this event

    ParameterTypeExamplesDescriptionFlags

    first_opened

    Top values

    		enumdate/time

    allowed: date · time

    		—FirebaseNo Adjust

    Add, remove, or rename parameters from a change ticket.

    Also on every event

    10 global parameters are sent with ALL EVENTS, including this one.

    • user_id
    • user_id_guest
    • user_id_acct
    • online_status
    • time_stamp
    • current_level
    • app_version
    • session_number
    • first_open_time
    • purchaser_user

    Version history

    Consecutive backup snapshots, plus rename and delete notes on the sheet. BigQuery 14-day counts annotate a row when the name matches. They do not create renames.

    Seen in BigQuery: 1.9.23 × 831.9.39 × 10,1301.9.41 × 61.9.42 × 3

    VersionChangeDetails
    0.91 → release test 1Added1 parameters on introduction
    0.91 → release test 1Parameter addedfirst_opened · Sheet example: date/time BQ sample: 1790202617 | 1790219576 | 1790169139 | 1790152252 | 1790307523 | 1790252083 | 1790241600 …
    2026.03.31 → 1.6.36DeletedDropped from the newer snapshot. BQ 14d: 1.9.23 × 83, 1.9.39 × 10,130, 1.9.41 × 6, 1.9.42 × 3.