The Joint object represents a Kinematic Joint property on a ChainBone or ChainEffector object.

AddCustomOp	AddICEAttribute	AddScriptedOp	AddScriptedOpFromFile
AnimatedParameters2	BelongsTo	EvaluateAt	GetICEAttributeFromName
IsA	IsAnimated2	IsClassOf	IsEqualTo
IsKindOf	IsLocked	IsSelected	LockOwners
RemoveICEAttribute	SetAsSelected	SetCapabilityFlag	SetLock
TaggedParameters	UnSetLock

Application	Branch	BranchFlag	Capabilities
Categories	EvaluationID	Families	FullName
Help	HierarchicalEvaluationID	ICEAttributes	LockLevel
LockMasters	LockType	Model	Name
NestedObjects	ObjectID	Origin	OriginPath
Owners	PPGLayout	Parameters	Parent
Parent3DObject	PreferredAxisReference	Selected	Singleton
Type	UpVectorReference

VBScript Example

set oRoot = application.activeproject.activescene.root
set oNull1 = oRoot.AddNull("UpVectorReference")
set oNull2 = oRoot.AddNull("PreferredAxisReference")
oRootPos = array(0,10,0)
oEffPos = array(10,10,0)
oNormalAxis = array(1,1,1)
set oChainRoot = oRoot.Add3DChain( oRootPos, oEffPos, oNormalAxis )
set oJoint = oChainRoot.Bones(0).Joint
oJoint.parameters("resplane").value = siUpVector
set oJoint.UpVectorReference = oNull1
set oJoint.PreferredAxisReference = oNull2

ChainBone.Joint ChainEffector.Joint