How can I tell if the PING has worked?

[just_a_bloke]

As the header says 'How can I tell if the PING has worked?'

What information is sent to to search engines?

[XML-Sitemaps Support]

Hello,

every time sitemap is created, your sitemap URL ([ External links are visible to logged in users only ]) is sent to search engines. Although it should not fail, it's a good idea to submit your sitemap manually to Google and Yahoo:
[ External links are visible to logged in users only ]
[ External links are visible to logged in users only ]