---
title: MergeablePartsContainer.PartID
framework: Assignables
role: symbol
role_heading: Type Alias
platforms: [iOS 17.4+, iPadOS 17.4+, Mac Catalyst 17.4+]
path: assignables/mergeablepartscontainer/partid
---

# MergeablePartsContainer.PartID

The type for document layer IDs.

## Declaration

```swift
typealias PartID = MergeablePartsContainerPartID
```

## See Also

### Getting the part identifiers

- [partIDs](assignables/mergeablepartscontainer/partids.md)