core/events_inc.php, added 'EVENT_MENU_ISSUE_RELATIONSHIP' => EVENT_TYPE_DEFAULT, core/relationship_api.php, added line 821.ff // Plugins menu items $t_event_menu_options = event_signal( 'EVENT_MENU_ISSUE_RELATIONSHIP' ); $t_menu_options = array(); foreach( $t_event_menu_options as $t_plugin => $t_plugin_menu_options ) { foreach( $t_plugin_menu_options as $t_callback => $t_callback_menu_options ) { if( is_array( $t_callback_menu_options ) ) { $t_menu_options = array_merge( $t_menu_options, $t_callback_menu_options ); } else { $t_menu_options[] = $t_callback_menu_options; } } } foreach( $t_menu_options as $t_menu_name => $t_menu_item ) { echo ''; print_bracket_link($t_menu_item, $t_menu_name ); echo ''; } right after if( ON == config_get( 'relationship_graph_enable' ) ) { [...] }