# Event and property descriptions

> For AI agents: a documentation index is available at [/docs/llms.txt](/docs/llms.txt). Append `.md` to any page URL for markdown, or send `Accept: text/markdown`.

You can add or edit the description for an event or property to help other members of your organization understand what an event or property represents.

> **Note:**
>
> This only applies to active events and properties included in your tracking plan. It also doesn't apply to custom events.

## Add a description to an event

To add a description to an event, follow these steps:

1. Go to _Events_ and click the name of the event you want to add a description to.
2. In the flyout that appears, click _Add a description_ (under _Details_).
3. Type a description of the event and click _Apply_.

## Add a description to an event property

You can change the description for an event property in two ways. Because the same event property can apply to multiple event types, you can add a description for the global event property and for the specific event-to-event property pair. If the event property description specific to an event doesn't exist, the description defaults to the global event property description.

- To change the description for an event property specific to an event, navigate to _Events_ and click the event name to open the _Details_ panel. Type a description where it says _Add a description_, and click _Apply_ to save.
- To change the global description for an event property, navigate to _Properties > Event Properties_ and click the event property name to open the _Details_ panel. Type a description where it says _Add a description_, and click _Apply_ to save.

## Add a description to a user or group property

You can change the description for a user property or a group property by navigating to _Properties > User Properties_ or _Properties > Group Properties_. Click the property name to open the _Details_ panel. Type a description where it says _Add a description_, and click _Apply_ to save.