Flatten nested properties to a single layer, so that PostHog events are more easily filtered in Insights.
Play better with others
Using PostHog as a data pipeline? Flatten events before you send, to reduce errors in other systems.
Increase ease of use
New team member? Flattened properties make it easier for them to find what they want, without asking for help.
Filter more, faster
Use a lot of Filters in Insights? Flattening nested properties makes it easier to find the properties you need.