Encore\Admin\Form\Field\Checkbox::render PHP Method

    public function render()
    {
        $this->options['checkboxClass'] = 'icheckbox_minimal-blue';
        $this->script = "\$('.{$this->column}').iCheck(" . json_encode($this->options) . ');';
        return parent::render()->with(['values' => $this->values]);
    }