diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
old mode 100644
new mode 100755
diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
old mode 100644
new mode 100755
diff --git a/.idea/.gitignore b/.idea/.gitignore
old mode 100644
new mode 100755
diff --git a/.idea/modules.xml b/.idea/modules.xml
old mode 100644
new mode 100755
diff --git a/.idea/moodle-tool_aiconnect.iml b/.idea/moodle-tool_aiconnect.iml
old mode 100644
new mode 100755
diff --git a/.idea/php.xml b/.idea/php.xml
old mode 100644
new mode 100755
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
old mode 100644
new mode 100755
diff --git a/classes/ai/ai.php b/classes/ai/ai.php
old mode 100644
new mode 100755
index a2e4fcd..7d55036
--- a/classes/ai/ai.php
+++ b/classes/ai/ai.php
@@ -115,8 +115,7 @@ private function make_request(array $data, string $apikey, $multipart = null): a
         }
 
         if (isset($response['error'])) {
-             throw new moodle_exception('endpointerror', 'tool_aiconnect', '', null,
-                $response['error']['message']);
+             throw new moodle_exception($response['error']['message']);
         }
 
         $end = microtime(true);
diff --git a/classes/event/make_request.php b/classes/event/make_request.php
old mode 100644
new mode 100755
diff --git a/classes/privacy/provider.php b/classes/privacy/provider.php
old mode 100644
new mode 100755
diff --git a/db/install.xml b/db/install.xml
index 7544545..ca2f302 100755
--- a/db/install.xml
+++ b/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="admin/tool/aiconnect/db" VERSION="20240623" COMMENT="XMLDB file for Moodle admin/tool/aiconnect"
+<XMLDB PATH="admin/tool/aiconnect/db" VERSION="20240824" COMMENT="XMLDB file for Moodle admin/tool/aiconnect"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../../lib/xmldb/xmldb.xsd"
 >
@@ -7,9 +7,15 @@
     <TABLE NAME="tool_aiconnect_queue" COMMENT="queue requestst to AI System (LLM)">
       <FIELDS>
         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
+        <FIELD NAME="activity" TYPE="char" LENGTH="64" NOTNULL="false" SEQUENCE="false" COMMENT="The module or activity that is making the request e.g. qtype_aitext"/>
         <FIELD NAME="prompttext" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
-        <FIELD NAME="respose" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
+        <FIELD NAME="response" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
+        <FIELD NAME="actiondata" TYPE="char" LENGTH="64" NOTNULL="false" SEQUENCE="false" COMMENT="Data that relates to this transaction e.g. quiz question attempt"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Status of processing. 0 pending, 1, processed, 2, retrieved, -1 failed"/>
+        <FIELD NAME="tries" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="number of times this item has attempted to be processed"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Timestamp this item was added to the queue"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Time this item was last modifief"/>
+        <FIELD NAME="executiontime" TYPE="int" LENGTH="15" NOTNULL="false" SEQUENCE="false" COMMENT="optional execution time."/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/db/upgrade.php b/db/upgrade.php
old mode 100644
new mode 100755
index 7565315..1e17ef2
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -56,5 +56,33 @@ function xmldb_tool_aiconnect_upgrade($oldversion) {
         // Aiconnect savepoint reached.
         upgrade_plugin_savepoint(true, 2024032006, 'tool', 'aiconnect');
     }
+    if ($oldversion < 2024032011) {
+
+        // Define field response to be added to tool_aiconnect_queue.
+        $table = new xmldb_table('tool_aiconnect_queue');
+        $field = new xmldb_field('response', XMLDB_TYPE_TEXT, null, null, null, null, null, 'timecreated');
+
+        // Conditionally launch add field response.
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+
+        // Aiconnect savepoint reached.
+        upgrade_plugin_savepoint(true, 2024032011, 'tool', 'aiconnect');
+    }
+    if ($oldversion < 2024032012) {
+
+        // Define field actiondata to be added to tool_aiconnect_queue.
+        $table = new xmldb_table('tool_aiconnect_queue');
+        $field = new xmldb_field('actiondata', XMLDB_TYPE_CHAR, '64', null, null, null, null, 'response');
+
+        // Conditionally launch add field actiondata.
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+
+        // Aiconnect savepoint reached.
+        upgrade_plugin_savepoint(true, 2024032012, 'tool', 'aiconnect');
+    }
     return true;
 }
diff --git a/lang/en/tool_aiconnect.php b/lang/en/tool_aiconnect.php
old mode 100644
new mode 100755
diff --git a/readme.md b/readme.md
old mode 100644
new mode 100755
diff --git a/settings.php b/settings.php
old mode 100644
new mode 100755
diff --git a/test.php b/test.php
old mode 100644
new mode 100755
diff --git a/tests/test_aiconnect.php b/tests/test_aiconnect.php
old mode 100644
new mode 100755
diff --git a/version.php b/version.php
old mode 100644
new mode 100755
index 6822330..1ca5350
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'tool_aiconnect';
-$plugin->version = 2024032006;
+$plugin->version = 2024032012;
 $plugin->requires = 2022112800;
 $plugin->release = '4.1.1';