forbutton.php

/* Tribe, insert event website ask enrol link before event content */
function tribe_enrol_link ( ){
     
    $website = tribe_get_event_website_url( );
 
    // bail if no website
    if ( empty( $website ) ) return false;
 
    echo '<a href="' . esc_attr( $website ) . '" class="tilmeldbutton" target="_blank">TILMELD</a>';
}
 
add_action( 'tribe_events_single_event_before_the_content', 'tribe_enrol_link');