if( get_post_type() == AI1EC_POST_TYPE ) {
    $categories = wp_get_post_terms( get_the_ID(), 'events_categories' );
    foreach( $categories as $category ) {
        echo ' <a href="' . get_term_link( $category ) . '" title="Alle Artikel in der Kategorie ' . esc_html( $category->name ) . '">' . esc_html( $category->name ) . ' →</a>';?>
    }
}