diff --git a/componentbuildercustomadminheaderstabs.php b/componentbuildercustomadminheaderstabs.php
index eb133bb..6d30536 100644
--- a/componentbuildercustomadminheaderstabs.php
+++ b/componentbuildercustomadminheaderstabs.php
@@ -21,7 +21,7 @@ JLoader::register('ComponentbuilderHelper', JPATH_ADMINISTRATOR . '/components/c
  * Content - Componentbuilder Custom Admin Headers Tabs plugin.
  *
  * @package   ComponentbuilderCustomAdminHeadersTabs
- * @since     1.0.2
+ * @since     1.0.3
  */
 class PlgContentComponentbuilderCustomAdminHeadersTabs extends CMSPlugin
 {
diff --git a/componentbuildercustomadminheaderstabs.xml b/componentbuildercustomadminheaderstabs.xml
index dfbf350..30d7143 100644
--- a/componentbuildercustomadminheaderstabs.xml
+++ b/componentbuildercustomadminheaderstabs.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <extension type="plugin" version="4" group="content" method="upgrade">
 	<name>PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS</name>
-	<creationDate>3rd December, 2021</creationDate>
+	<creationDate>8th December, 2021</creationDate>
 	<author>Llewellyn van der Merwe</author>
 	<authorEmail>joomla@vdm.io</authorEmail>
 	<authorUrl>https://dev.vdm.io</authorUrl>
 	<copyright>Copyright (C) 2015 Vast Development Method. All rights reserved.</copyright>
 	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
-	<version>1.0.2</version>
+	<version>1.0.3</version>
 	<description>PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_XML_DESCRIPTION</description>
 
 	<!-- Scripts to run on installation -->
diff --git a/forms/custom_admin_view.xml b/forms/custom_admin_view.xml
index b0ce4da..baca7a8 100644
--- a/forms/custom_admin_view.xml
+++ b/forms/custom_admin_view.xml
@@ -376,6 +376,50 @@
 			showon="add_custom_admin_views_controller:1"
 			button="true"
 		/>
+		<!-- Add_ajax_model Field. Type: Radio. (joomla) -->
+		<field
+			type="radio"
+			name="add_ajax_model"
+			label="PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_AJAX_MODEL_LABEL"
+			class="btn-group btn-group-yesno"
+			default="0"
+			required="true">
+			<!-- Option Set. -->
+			<option value="1">
+				PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_YES</option>
+			<option value="0">
+				PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_NO</option>
+		</field>
+		<!-- Ajax_model Field. Type: Editor. (joomla) -->
+		<field
+			type="editor"
+			name="ajax_model"
+			label="PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_AJAX_MODEL_LABEL"
+			description="PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_AJAX_MODEL_DESCRIPTION"
+			width="100%"
+			height="100px"
+			cols="15"
+			rows="10"
+			buttons="no"
+			syntax="php"
+			editor="codemirror|none"
+			filter="raw"
+			required="false"
+			validate="code"
+			showon="add_ajax_model:1"
+		/>
+		<!-- Power_ajax_model Field. Type: Powers. (custom) -->
+		<field
+			type="powers"
+			name="power_ajax_model"
+			label="PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_AJAX_MODEL_LABEL"
+			description="PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_AJAX_MODEL_DESCRIPTION"
+			class="list_class span12"
+			multiple="true"
+			default="0"
+			showon="add_ajax_model:1"
+			button="true"
+		/>
 	</fields>
 	</fieldset>
 	</fields>
diff --git a/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.ini b/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.ini
index d48254e..7aab11b 100644
--- a/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.ini
+++ b/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.ini
@@ -1,6 +1,6 @@
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS="Content - Componentbuilder Custom Admin Headers Tabs"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_DESCRIPTION="This plugin is used to set custom admin class custom headers."
-PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_XML_DESCRIPTION="<h1>Content - Componentbuilder Custom Admin Headers Tabs (v.1.0.2)</h1> <div style='clear: both;'></div><p>This plugin is used to set custom admin class custom headers.</p><p>Created by <a href='https://dev.vdm.io' target='_blank'>Llewellyn van der Merwe</a><br /><small>Development started 8th December, 2020</small></p>"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_XML_DESCRIPTION="<h1>Content - Componentbuilder Custom Admin Headers Tabs (v.1.0.3)</h1> <div style='clear: both;'></div><p>This plugin is used to set custom admin class custom headers.</p><p>Created by <a href='https://dev.vdm.io' target='_blank'>Llewellyn van der Merwe</a><br /><small>Development started 8th December, 2020</small></p>"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_CLASS_HEADERS="Class Headers"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_CUSTOM_ADMIN_VIEW_MODEL_LABEL="Target Custom Admin View<br />Model Header"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_CUSTOM_ADMIN_VIEW_MODEL_DESCRIPTION="Only use this option if you have a <b>getItem</b> as your <b>Main Get</b>."
@@ -83,4 +83,11 @@ PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_CUSTOM_ADMIN_VIEWS_CONTROLLER
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_CUSTOM_ADMIN_VIEWS_CONTROLLER_LABEL="Power Header<br />
 <small>(custom.admin.views.controller)</small><br />
 <b>getListQuery</b>"
-PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_CUSTOM_ADMIN_VIEWS_CONTROLLER_DESCRIPTION="The power header for custom admin views controller. Only use this option if you have a <b>getListQuery</b> as your <b>Main Get</b>, and have custom code in the  <b>PHP (controller methods)</b> under the Custom Buttons tab."
\ No newline at end of file
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_CUSTOM_ADMIN_VIEWS_CONTROLLER_DESCRIPTION="The power header for custom admin views controller. Only use this option if you have a <b>getListQuery</b> as your <b>Main Get</b>, and have custom code in the  <b>PHP (controller methods)</b> under the Custom Buttons tab."
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_AJAX_MODEL_LABEL="Target Ajax Model<br />Class Header"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_AJAX_MODEL_LABEL="Class Header<br />
+<small>(ajax.model)</small>"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_AJAX_MODEL_DESCRIPTION="The class header for Ajax model."
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_AJAX_MODEL_LABEL="Power Header<br />
+<small>(ajax.model)</small>"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_AJAX_MODEL_DESCRIPTION="The power header for Ajax model."
\ No newline at end of file
diff --git a/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.sys.ini b/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.sys.ini
index d48254e..7aab11b 100644
--- a/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.sys.ini
+++ b/language/en-GB/en-GB.plg_content_componentbuildercustomadminheaderstabs.sys.ini
@@ -1,6 +1,6 @@
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS="Content - Componentbuilder Custom Admin Headers Tabs"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_DESCRIPTION="This plugin is used to set custom admin class custom headers."
-PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_XML_DESCRIPTION="<h1>Content - Componentbuilder Custom Admin Headers Tabs (v.1.0.2)</h1> <div style='clear: both;'></div><p>This plugin is used to set custom admin class custom headers.</p><p>Created by <a href='https://dev.vdm.io' target='_blank'>Llewellyn van der Merwe</a><br /><small>Development started 8th December, 2020</small></p>"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_XML_DESCRIPTION="<h1>Content - Componentbuilder Custom Admin Headers Tabs (v.1.0.3)</h1> <div style='clear: both;'></div><p>This plugin is used to set custom admin class custom headers.</p><p>Created by <a href='https://dev.vdm.io' target='_blank'>Llewellyn van der Merwe</a><br /><small>Development started 8th December, 2020</small></p>"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_CLASS_HEADERS="Class Headers"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_CUSTOM_ADMIN_VIEW_MODEL_LABEL="Target Custom Admin View<br />Model Header"
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_CUSTOM_ADMIN_VIEW_MODEL_DESCRIPTION="Only use this option if you have a <b>getItem</b> as your <b>Main Get</b>."
@@ -83,4 +83,11 @@ PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_CUSTOM_ADMIN_VIEWS_CONTROLLER
 PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_CUSTOM_ADMIN_VIEWS_CONTROLLER_LABEL="Power Header<br />
 <small>(custom.admin.views.controller)</small><br />
 <b>getListQuery</b>"
-PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_CUSTOM_ADMIN_VIEWS_CONTROLLER_DESCRIPTION="The power header for custom admin views controller. Only use this option if you have a <b>getListQuery</b> as your <b>Main Get</b>, and have custom code in the  <b>PHP (controller methods)</b> under the Custom Buttons tab."
\ No newline at end of file
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_CUSTOM_ADMIN_VIEWS_CONTROLLER_DESCRIPTION="The power header for custom admin views controller. Only use this option if you have a <b>getListQuery</b> as your <b>Main Get</b>, and have custom code in the  <b>PHP (controller methods)</b> under the Custom Buttons tab."
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_ADD_AJAX_MODEL_LABEL="Target Ajax Model<br />Class Header"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_AJAX_MODEL_LABEL="Class Header<br />
+<small>(ajax.model)</small>"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_AJAX_MODEL_DESCRIPTION="The class header for Ajax model."
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_AJAX_MODEL_LABEL="Power Header<br />
+<small>(ajax.model)</small>"
+PLG_CONTENT_COMPONENTBUILDERCUSTOMADMINHEADERSTABS_POWER_AJAX_MODEL_DESCRIPTION="The power header for Ajax model."
\ No newline at end of file
diff --git a/script.php b/script.php
index dcd7d60..243d171 100644
--- a/script.php
+++ b/script.php
@@ -43,11 +43,12 @@ class plgContentComponentbuilderCustomAdminHeadersTabsInstallerScript
 
 		if ('install' === $route)
 		{
+
 			// check that componentbuilder is installed
 			$pathToCore = JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php';
 			if (!JFile::exists($pathToCore))
 			{
-				$app->enqueueMessage('Joomla Component Builder must first be installed from <a href="https://www.joomlacomponentbuilder.com/ " target="_blank">Joomla Component Builder</a>.', 'error');
+				$app->enqueueMessage('JCB must first be installed from <a href="https://git.vdm.dev/joomla/Component-Builder-Pro/" target="_blank">Joomla Component Builder</a>.', 'error');
 				return false;
 			}
 			// load the helper class
@@ -60,8 +61,8 @@ class plgContentComponentbuilderCustomAdminHeadersTabsInstallerScript
 			{
 				// get the version
 				$jcbVersion = explode('.', $manifest->version);
-				// check that we have JCB 2.12.6 or higher installed
-				if (count($jcbVersion) == 3 && (($jcbVersion[0] == 2 && (($jcbVersion[1] == 12 && $jcbVersion[2] >= 6) || ($jcbVersion[1] > 12))) || $jcbVersion[0] >= 3))
+				// check that we have JCB 3 or higher installed
+				if (count($jcbVersion) == 3 && $jcbVersion[0] >= 3)
 				{
 					$blockInstall = false;
 				}
@@ -69,7 +70,7 @@ class plgContentComponentbuilderCustomAdminHeadersTabsInstallerScript
 			// allow install if all conditions are met
 			if ($blockInstall)
 			{
-				$app->enqueueMessage('Please upgrade to JCB 2.12.6 or higher before installing this plugin.', 'error');
+				$app->enqueueMessage('Please upgrade to JCB-Pro v3.0.0 or higher before installing this plugin.', 'error');
 				return false;
 			}
 		}