Elementor\Widget_Heading::_register_controls PHP Method

    protected function _register_controls()
    {
        $this->start_controls_section('section_title', ['label' => __('Title', 'elementor')]);
        $this->add_control('title', ['label' => __('Title', 'elementor'), 'type' => Controls_Manager::TEXTAREA, 'placeholder' => __('Enter your title', 'elementor'), 'default' => __('This is heading element', 'elementor')]);
        $this->add_control('link', ['label' => __('Link', 'elementor'), 'type' => Controls_Manager::URL, 'placeholder' => 'http://your-link.com', 'default' => ['url' => ''], 'separator' => 'before']);
        $this->add_control('size', ['label' => __('Size', 'elementor'), 'type' => Controls_Manager::SELECT, 'default' => 'default', 'options' => ['default' => __('Default', 'elementor'), 'small' => __('Small', 'elementor'), 'medium' => __('Medium', 'elementor'), 'large' => __('Large', 'elementor'), 'xl' => __('XL', 'elementor'), 'xxl' => __('XXL', 'elementor')]]);
        $this->add_control('header_size', ['label' => __('HTML Tag', 'elementor'), 'type' => Controls_Manager::SELECT, 'options' => ['h1' => __('H1', 'elementor'), 'h2' => __('H2', 'elementor'), 'h3' => __('H3', 'elementor'), 'h4' => __('H4', 'elementor'), 'h5' => __('H5', 'elementor'), 'h6' => __('H6', 'elementor'), 'div' => __('div', 'elementor'), 'span' => __('span', 'elementor'), 'p' => __('p', 'elementor')], 'default' => 'h2']);
        $this->add_responsive_control('align', ['label' => __('Alignment', 'elementor'), 'type' => Controls_Manager::CHOOSE, 'options' => ['left' => ['title' => __('Left', 'elementor'), 'icon' => 'align-left'], 'center' => ['title' => __('Center', 'elementor'), 'icon' => 'align-center'], 'right' => ['title' => __('Right', 'elementor'), 'icon' => 'align-right'], 'justify' => ['title' => __('Justified', 'elementor'), 'icon' => 'align-justify']], 'default' => '', 'selectors' => ['{{WRAPPER}}' => 'text-align: {{VALUE}};']]);
        $this->add_control('view', ['label' => __('View', 'elementor'), 'type' => Controls_Manager::HIDDEN, 'default' => 'traditional']);
        $this->end_controls_section();
        $this->start_controls_section('section_title_style', ['label' => __('Title', 'elementor'), 'tab' => Controls_Manager::TAB_STYLE]);
        $this->add_control('title_color', ['label' => __('Text Color', 'elementor'), 'type' => Controls_Manager::COLOR, 'scheme' => ['type' => Scheme_Color::get_type(), 'value' => Scheme_Color::COLOR_1], 'selectors' => ['{{WRAPPER}} .elementor-heading-title' => 'color: {{VALUE}};']]);
        $this->add_group_control(Group_Control_Typography::get_type(), ['name' => 'typography', 'scheme' => Scheme_Typography::TYPOGRAPHY_1, 'selector' => '{{WRAPPER}} .elementor-heading-title']);
        $this->end_controls_section();
    }