Utility/Fields/File.php
public function save()
    {
        if (isset($this->file)) {
            $fileName = $this->entityId . '_' . $this->fieldId . '.' . $this->file->getClientOriginalExtension();
            $this->value = $fileName;
            $this->file->move(public_path() . config('asgard.dynamicfield.config.files-path'), $fileName);
        }
        parent::save();
    }
public function save()
    {
        if (isset($this->file)) {
            $fileName = $this->entityId . '_' . $this->fieldId . '.' . $this->file->getClientOriginalExtension();
            $this->value = $fileName;
            $this->file->move(public_path() . config('asgard.dynamicfield.config.files-path'), $fileName);
        }
        parent::save();
    }
Override base method.