[FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) AddAnimationChannel ( [FName](API\Runtime\Core\UObject\FName) InName, [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) InParentControl, [FRigControlSettings](API\Plugins\ControlRig\Rigs\FRigControlSettings) InSettings, bool bSetupUndo, bool bPrintPythonCommand )