Assign featured images to pages that are included in “Sections”

Assign featured images to pages that are included in “Sections”

hello dear Experts good day dear WordPress-fans for the great twentyseventeen-theme.

for a new Website I am making at the moment i am working out the design principles.
i’m currently working on the Twenty-seventeen theme. I’m trying to make each “page” display as a section on my homepage. i guess that however I’m clearly missing a step.

I’ve already gone into my settings (both from the dashboard and within the customizer)

There is a section called featured products with images showing: Features Images.
Currently I have to update these images manually through my front-page.php file
I need a custom section in the customiser called something like featureImages
There would have to be 4 upload sections like:

featureImage-a featureImage-b featureImage-c featureImage-d

Generally speaking: The page selection is set within the Customizer under the so called Theme Options, which will only show when front page is set to static.
So far so good: The output happens within the function twentyseventeen_front_page_section in the theme file template-tags.php, where each panel is queried individually with get_post, so it’s not exactly a loop in the conventional sense.

We are able to change the number of sections from the default 4 with the twentyseventeen_front_page_sections filter, which should return the number of desired sections. to access the values via code, we can use get_theme_mod, each panel is stored under the key panel_$i, where $i is the section number, starting at 1.
The stored value is the ID of the page that were working on.
That said – we subsequently can also update these values with set_theme_mod.

I’ve seen this on some themes but I just don’t know how they do it.
I’ve tried searching for this but I don’t really know how to put it into words for Google to give me a result. I apprentice any help or if you could point me in the right direction if this has been asked before

How to assign the so called featured images to pages that are included in “Sections”?

i have heard that the wordpress-customizer of the theme twentyseventeen has got a special control for file uploads.
Well assuming that this is correct then i guess that i need to know how the theme customizer works exactly,

I guess that i need to organize it like so:

$wp_customize->add_control( 
    new WP_Customize_Upload_Control( 
    $wp_customize, 
    'wpse-all-the_images', 
    array(
        'label'       => __( 'First image', 'wpse-allimages_theme' ),
        'description' => __( 'More about first image', 'wpse-allimages_theme' ),
        'section'     => 'wpse-allimages__section_id',
        'settings'    => 'wpse-allimages__setting_id',
    ) ) 
);

with that we would be able to retrieve the image in the template with get_theme_mod(‘wpse-allimages’).

Any help would be appreciated. Thanks.

i love to hear from you.

regards