display-events-in-bb-posts-module-with-taxonomy.php

<?php
function fl_builder_events_loop_query_args_filter( $query_args ) {
      
      $campus = rwmb_meta('campus')                               // Get the Campus of the page you are on from metabox value
      
      if ( 'campus-events' == $query_args['settings']->id ) {     // If the posts module has the ID 'campus-events'
            $query_args['taxonomy'] = $campus;                    // Filter by events that also have the term of the same campus
        }
    return $query_args;
}
add_filter( 'fl_builder_loop_query_args', 'fl_builder_events_loop_query_args_filter' );