---
title: GameCenterMatchmakingRuleUpdateRequest.Data.Attributes
framework: appstoreconnectapi
role: symbol
role_heading: Object
path: appstoreconnectapi/gamecentermatchmakingruleupdaterequest/data-data.dictionary/attributes-data.dictionary
---

# GameCenterMatchmakingRuleUpdateRequest.Data.Attributes

The attributes of a rule that you modify.

## Declaration

```data
object GameCenterMatchmakingRuleUpdateRequest.Data.Attributes
```

## Properties

description: A human-readable description of the rule. expression: Code that returns a Boolean or numeric value that the matchmaking rules algorithm executes to compare or filter match requests. weight: A numeric value for the rule when type is either DISTANCE or MATCH.