# Some payload JSON documents contain a nested 'details' object

Canonical URL: <https://datadriven.io/problems/some-payload-json-documents-contain-a-nested-details-objec-27826cc2>

Domain: SQL · Difficulty: medium

## Problem

Some payload JSON documents contain a nested 'details' object. Extract the value at the path $.details.source from the payload column. Also return event_id. Only include rows where event_type is 'page_view'.

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