Add option in exciting elementor widget

Add option in exciting elementor widget

       add_action( 'elementor/element/button/section_style/before_section_end', function( $element, $args ) {
            $element->start_injection( [
                'at' => 'after',
                'of' => 'button_type',
            ] );
            // add a control
            $element->add_control(
                'btn_style',
                [
                    'label' => 'Button Styles',
                    'type' => \Elementor\Controls_Manager::SELECT,
                    'options' => [
                        'fancy' => 'Fancy',
                        'stylish' => 'Stylish',
                        'rounded' => 'Rounded',
                        'square' => 'Square',
                    ],
                    'prefix_class' => 'btn-style-',
                ]
            );

            $element->end_injection();
        }, 10, 2 );