hytopia/docs/server.collisiongroupsbuilder.isdefaultcollisiongroups.md

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

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[Home](./index.md) &gt; [server](./server.md) &gt; [CollisionGroupsBuilder](./server.collisiongroupsbuilder.md) &gt; [isDefaultCollisionGroups](./server.collisiongroupsbuilder.isdefaultcollisiongroups.md)

## CollisionGroupsBuilder.isDefaultCollisionGroups() method

Checks if the collision groups are the default collision groups.

**Signature:**

```typescript
static isDefaultCollisionGroups(collisionGroups: CollisionGroups): boolean;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

collisionGroups


</td><td>

[CollisionGroups](./server.collisiongroups.md)


</td><td>

The set of collision groups to check.


</td></tr>
</tbody></table>
**Returns:**

boolean

Whether the collision groups are the default collision groups.