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# USDPrim.PayloadCollection

Manages payload composition arcs on a prim.

```
struct PayloadCollection
```

## Topics

### Instance Properties

[`var prim: USDPrim`](/documentation/USDKit/USDPrim/PayloadCollection/prim)

The prim that owns these payload arcs.

### Instance Methods

[`func add(USDPrim.Payload, position: USDPrim.ListPosition) throws`](/documentation/USDKit/USDPrim/PayloadCollection/add(_:position:))

Adds an existing payload arc to the prim.

[`func add(to: USDLayer.Path?, from: String, layerOffset: USDLayer.TimeOffset, position: USDPrim.ListPosition) throws`](/documentation/USDKit/USDPrim/PayloadCollection/add(to:from:layerOffset:position:))

Adds an external payload arc.

[`func add(to: USDLayer.Path, layerOffset: USDLayer.TimeOffset, position: USDPrim.ListPosition) throws`](/documentation/USDKit/USDPrim/PayloadCollection/add(to:layerOffset:position:))

Adds an internal payload arc that targets a prim in the same layer stack.

[`func clear() throws`](/documentation/USDKit/USDPrim/PayloadCollection/clear())

Removes all payload arcs from the prim.

[`func remove(USDPrim.Payload) throws`](/documentation/USDKit/USDPrim/PayloadCollection/remove(_:))

Removes a specific payload arc from the prim.

[`func set([USDPrim.Payload]) throws`](/documentation/USDKit/USDPrim/PayloadCollection/set(_:))

Replaces all payload arcs with the specified list.

---

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