Filter events pre_get_posts

filter-events.php

// Function to display only upcoming events for Sugar Events Calendar on the main Events archive.

function sc_filter_events( $query ) {
 
	if( is_post_type_archive('sc_event') && (!is_admin()) && ($query->is_main_query())  ) {
		
		$meta = array(
            array(
            'key' => 'sc_event_date_time',
            'value' => time(),
            'compare' => '>='
            )
        );
        
        $query->set('meta_query',$meta );
        $query->set('meta_key', 'sc_event_date_time');
        $query->set('orderby', 'meta_value_num');
        $query->set('order', 'ASC');
 
	}
 
}
add_action('pre_get_posts', 'sc_filter_events', 9999);

Just a heads up- this will fire for all queries (WP_Query, and sometimes get_posts) on post type archive - including secondary ones. You may find that lists of posts in widgets/shortcodes break. Either check $query to see if its a query you want to modify (e.g. check post type). Or to alter only main queries, check $query->is_main_query().

is_post_type_archive will return true (for any query) on a post type archive page for sc_event as this checks only the main query ($wp_query global)

Stephen,

Yeah cool, I only wanted to effect the main loop. Thanks for your help, have amended the code.