Instance Property


The unique identifier of the session that owns this anchor.


var sessionIdentifier: UUID? { get }


ARKit sets this property when a user first adds an anchor to a session. In multiuser experiences, use this ID to identify the user that created the anchor.

See Also

Tracking Anchors

var identifier: UUID

A unique identifier for the anchor.

var transform: simd_float4x4

A matrix encoding the position, orientation, and scale of the anchor relative to the world coordinate space of the AR session the anchor is placed in.