lib/Client.php
public function updateInstance($process_id, $instance_id, $instance_update_item)
    {
        list($response) = $this->updateInstanceWithHttpInfo($process_id, $instance_id, $instance_update_item);
        return $response;
    }
public function updateInstance($process_id, $instance_id, $instance_update_item)
    {
        list($response) = $this->updateInstanceWithHttpInfo($process_id, $instance_id, $instance_update_item);
        return $response;
    }
Operation updateInstance



@param string $process_id ID of the process to retrieve (required)
@param string $instance_id ID of the instance to retrieve (required)
@param \ProcessMaker\PMIO\Model\InstanceUpdateItem $instance_update_item Instance object to edit (required)
@return \ProcessMaker\PMIO\Model\InstanceItem
@throws \ProcessMaker\PMIO\ApiException on non-2xx response