--- rat/lonwrapper.pm	2022/10/29 18:52:58	1.81
+++ rat/lonwrapper.pm	2023/05/22 21:20:56	1.82
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Wrapper for external and binary files as standalone resources
 #
-# $Id: lonwrapper.pm,v 1.81 2022/10/29 18:52:58 raeburn Exp $
+# $Id: lonwrapper.pm,v 1.82 2023/05/22 21:20:56 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -425,9 +425,16 @@ sub handler {
         my %toolhash = &Apache::lonnet::get('exttool_'.$marker,['target','linktext','explanation','id','width','height'],
                                             $cdom,$cnum);
         if ($toolhash{'id'}) {
-            my %ltitools = &Apache::lonnet::get_domain_lti($cdom,'consumer');
-            if (ref($ltitools{$toolhash{'id'}}) eq 'HASH') {
-                $exttoolremote = $ltitools{$toolhash{'id'}}{'url'};
+            my ($idx,%ltitools);
+            if ($toolhash{'id'} =~ /^c(\d+)$/) {
+                $idx = $1;
+                %ltitools = &Apache::lonnet::get_course_lti($cnum,$cdom,'consumer');
+            } else {
+                $idx = $toolhash{'id'};
+                %ltitools = &Apache::lonnet::get_domain_lti($cdom,'consumer');
+            }
+            if (ref($ltitools{$idx}) eq 'HASH') {
+                $exttoolremote = $ltitools{$idx}{'url'};
             }
         }
         if ($toolhash{'target'} eq 'window') {