Bootstrap Carousel WP Theme Customizer add Image URL

sample-customizer-section05.php

$wp_customize->add_setting( 'theme_slug_slide_one_link', array(
	  'default' => 'No Link URL Has Been Entered',
	  'sanitize_callback' => 'sanitize_link_one_url',
));
function sanitize_link_one_url( $input ) {
return wp_kses_post( force_balance_tags( $input ) );
}  
$wp_customize->add_control( 'theme_slug_slide_one_link', array(
    'label'    => __( 'Slide 1 URL Here:', 'theme_slug' ),
    'section'  => 'home_slide_img_one',
    'settings' => 'theme_slug_slide_one_link',
    'type'     => 'text',
));       
} 
// This last closed curly brace completes the section and all 4 functions we are performing here in this code.