unclead\multipleinput\MultipleInput::guessColumns PHP Method

    protected function guessColumns()
    {
        if (empty($this->columns)) {
            $column = ['name' => $this->hasModel() ? $this->attribute : $this->name, 'type' => MultipleInputColumn::TYPE_TEXT_INPUT];
            if ($this->enableGuessTitle && $this->hasModel()) {
                $column['title'] = $this->model->getAttributeLabel($this->attribute);
            }
            $this->columns[] = $column;
        }
    }