The Live tail functionality within Data hub gives development teams a single place to view and query all impression and event data. With Live tail, development teams can:
- Add query criteria to refine the stream of impressions and events
- View impressions and events in real-time
- View raw JSON payload for debugging in Split and 3rd party integrations
This feature allows teams, for example, to check if a feature flag is being evaluated properly or events are being received from data integrations.
Query impressions
After installing Split’s SDKs and setting up a feature flag, impressions will be generated via the getTreatment
call. To view these impressions in Live tail, do the following:
- From the navigation bar, click Data hub.
- Select which data type to view, impressions are selected by default.
- Click the Query button. Impressions begin flowing.
- Pause or resume paying data at any time.
- Apply column headers as filters by clicking Add query criteria.
- Once selected, click the Query button again.
Live tail can also be accessed on the feature flag page under the Live tail tab, where impressions automatically filter down to that specific feature flag.
Learn more about impressions in Split.
Query events
After installing Split’s SDKs and calling track() or configuring a data integration, events are passed to Split. To view these events in Live tail, do the following:
- From the navigation bar, click Data hub.
- Click the data type selector and click Events.
- Click the Query button. Events begin flowing.
- Pause or resume paying data at any time.
- Apply column headers as filters by clicking Add query criteria.
- Once selected click the Query button again.
Learn more about events in Split.
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