---
title: "tags"
url: https://develop.sentry.dev/sdk/foundations/transport/event-payloads/properties/tags/
---

# undefined

* `tags`

  *Optional*. A map or list of tags for this event. Tags must have string values, and each tag must be less than 200 characters.

```json
{
  "tags": {
    "ios_version": "4.0",
    "context": "production"
  }
}
```