module/FzyCommon/src/FzyCommon/Service/Update/Base.php
public function setSubFormDataHandler($tag, $paramName)
    {
        $this->formDataEvent($tag, function (Params $params) use ($paramName) {return Params::create($params->get($paramName));});

        return $this;
    }
public function setSubFormDataHandler($tag, $paramName)
    {
        $this->formDataEvent($tag, function (Params $params) use ($paramName) {return Params::create($params->get($paramName));});

        return $this;
    }
Handler for subform data
@param $tag
@param $paramName
@return $this