FusionPBX Custom Site Wallpaper with Custom Global Fallback

<!-- Custom wallpaper with custom fallback -->

<bg bg.color.selection="2,1"

    {if fopen("https://dl.example.com/wallpaper/{$domain_name}/320x240-site-custom.jpg","r")}
        bg.color.bm.1.name="https://dl.example.com/wallpaper/{$domain_name}/320x240-site-custom.jpg"
    {else}
        bg.color.bm.1.name="https://dl.example.com/wallpaper/320x240-global-custom-default.jpg"
    {/if}
/>

<!------------------------------------------->