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# makeHeap(descriptor:)

Creates a new GPU heap instance.

```
func makeHeap(descriptor: MTLHeapDescriptor) -> (any MTLHeap)?
```

## Parameters

`descriptor`

An [`MTLHeapDescriptor`](/documentation/Metal/MTLHeapDescriptor) instance.

## Return Value

A new [`MTLHeap`](/documentation/Metal/MTLHeap) instance if the method completed successfully; otherwise nil.

## Discussion

For more information about using heaps, see [Memory heaps](/documentation/Metal/memory-heaps).

---

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