Send Even Organiser an email

Hi,

I have read the threads
http://wordpress.org/support/topic/send-facilitator-an-email?replies=4

and the other one
http://wordpress.org/support/topic/need-email-sent-to-event-organizer?replies=10

But i don’t understand them at all.

could you please give me the code or tell me where or how to put the code in.
I would like to send an email to the event organiser once someone purchases a ticket.

I pasted the following code in the functions.php file of my theme but nothing works?

function my_transition( $new, $old, $post ) {
    if ( $new == $old || $new != 'publish' || $post->post_type != 'tix_attendee' )
        return;

    // function to be executed when custom post type tix_attendee is published
function new_registration_notify() {
		$message = "Message...";
		$headers = 'From: Who From <from@emailaddress.com>' . "\r\n";
		wp_mail('to@emailaddress.com', "Subject...", $message, $headers);
}

	add_action('publish_tix_attendee', 'new_registration_notify');
}
add_action( 'transition_post_status', 'my_transition', 10, 3 );

I changed the ‘to@emailaddress.com’ to the one i wanted the email sent to?

thanks

https://wordpress.org/plugins/camptix/