Event Names
Overview
Events all have a non-null event_name, which is retained in the decoder output event_name column. These are also included as INT64 sub-columns of the count STRUCT, enabling them to be used as metrics (and therefore based inputs for additional computations) in the decoder output tables.
Standard Event Names
The following event names are included as standard in the GA4 decoder output tables, whether they are observed in the source data or not.
| EVENT NAME |
|---|
| click |
| file_download |
| first_visit |
| form_start |
| form_submit |
| page_view |
| purchase |
| scroll |
| search |
| session_start |
| user_engagement |
| video_complete |
| video_progress |
| video_start |
| view_search_results |
Custom Event Names
When additional event names are detected in the source data, they will be preserved in the event_name column and will also be included in the count output STRUCT. These will be found after the alphabetically listed standard event names, so they can be easily identified. Recommended event parameters are included if they are in the expected or observed custom event parameters.
New Event Metrics
The following sub-columns are added to the count metric STRUCT to enable simple subsequent computations:
| COLUMN NAME | DATA TYPE | DESCRIPTION |
|---|---|---|
| count.total_events | INTEGER | An integer flag to enable total_events to be used as an output metric |
| count.total_conversions | INTEGER | An integer flag to enable total_conversions to be used as an output metric |
Note that event_name values to be classified as conversions are set in the installation configuration, but defaults to purchase as per the Google default. These can be renamed in subsequent transformations or BI tools to retain consistency with whatever confusing Google name changes happen in future.
Output Schema
The schema of the output count STRUCT is therefore:
count STRUCT
├── total_events INT64
├── total_conversions INT64
├── click INT64
├── file_download INT64
├── first_visit INT64
├── form_start INT64
├── form_submit INT64
├── page_view INT64
├── purchase INT64
├── scroll INT64
├── search INT64
├── session_start INT64
├── user_engagement INT64
├── video_complete INT64
├── video_progress INT64
├── video_start INT64
├── view_search_results INT64
└── [custom event NAMES]