# Sandbox.Physics.CollisionRules.Tags

```csharp
IEnumerable<string> Tags { get; set; }
```

All tags with either an entry in [Sandbox.Physics.CollisionRules.Defaults](/api/Sandbox.Physics.CollisionRules/Defaults) or [Sandbox.Physics.CollisionRules.Pairs](/api/Sandbox.Physics.CollisionRules/Pairs).

Declared in [Sandbox.Physics.CollisionRules](/api/Sandbox.Physics.CollisionRules).
Assembly: `Sandbox.Engine`.