You can get link to post type archive using… ‘get_post_type_archive_link’ function:
esc_url(add_query_arg('past', '', get_post_type_archive_link('events')));
You can get link to post type archive using… ‘get_post_type_archive_link’ function:
esc_url(add_query_arg('past', '', get_post_type_archive_link('events')));