I see what you mean.
You can do that by adding it as a custom service in your theme’s functions.php
like so:
function addtoany_add_services( $services ) {
$services['my_printfriendly'] = array(
'name' => 'My PrintFriendly',
'icon_url' => 'https://pf-cdn.printfriendly.com/images/icons/button-print-grnw20.png',
'icon_width' => 62,
'icon_height' => 20,
'href' => 'javascript:(function()%7Bif(window%5B%27priFri%27%5D)%7Bwindow.print()%7Delse%7Bvar%20pfurl%3D%27%27%3Bpfstyle%3D%27nbk%27%3BpfBkVersion%3D%271%27%3Bif(window.location.href.match(/https/))%7Bpfurl%3D%27https://pf-cdn.printfriendly.com/ssl/main.js%27%7Delse%7Bpfurl%3D%27https://cdn.printfriendly.com/printfriendly.js%27%7D_pnicer_script%3Ddocument.createElement(%27SCRIPT%27)%3B_pnicer_script.type%3D%27text/javascript%27%3B_pnicer_script.src%3Dpfurl %2B %27%3Fx%3D%27%2B(Math.random())%3Bdocument.getElementsByTagName(%27head%27)%5B0%5D.appendChild(_pnicer_script)%3B%7D%7D)()%3B'
);
return $services;
}
add_filter( 'A2A_SHARE_SAVE_services', 'addtoany_add_services', 10, 1 );
Then select “My PrintFriendly” at the end of the services in AddToAny settings.
Then PrintFriendly’s custom options (JavaScript) can be added to the Additional Options box in AddToAny settings. For example:
var pfHeaderImgUrl = '';
var pfHeaderTagline = '';
var pfdisableClickToDel = 0;
var pfHideImages = 0;
var pfImageDisplayStyle = 'right';
var pfDisablePDF = 0;
var pfDisableEmail = 0;
var pfDisablePrint = 0;
var pfCustomCSS = '';
var pfBtVersion='1';