Unity Engine documentationScript ReferenceUnity.GraphToolkit.EditorPortCapacityThe number of connections a port can accept.Read time 1 minuteLast updated 2 months agoDefinition Type: Enum Namespace: Unity.GraphToolkit.Editor Assembly: UnityEditor public enum PortCapacity Fields ValueDescriptionMultiThe port can accept multiple connections.NoneThe port cannot accept any connection.SingleThe port can only accept a single connection.