HumanHandPoseObservation.JointName.indexPIP A joint name that represents the index finger’s proximal interphalangeal joint. Declarationcase indexPIP See AlsoGetting the index finger joint nameHumanHandPoseObservation.JointName.indexDIPHumanHandPoseObservation.JointName.indexMCPHumanHandPoseObservation.JointName.indexTip