virtual bool CanBindVariable ( [URigVMController](API\Plugins\RigVMDeveloper\RigVMModel\URigVMController) * InController, const [URigVMPin](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin) * InPinToBind, const [FRigVMExternalVariable](API\Plugins\RigVM\RigVMCore\FRigVMExternalVariable) * InVariableToBind, const [FString](API\Runtime\Core\Containers\FString) & InNewBoundVariablePath ) const