Joomla

<?php
// In your template's index.php
?>
<invent-assistant assistant-id="YOUR_ASSISTANT_ID" />
<script type="text/javascript" src="https://www.useinvent.com/embed.js" async defer></script>

<?php echo $this->renderModule('footer'); ?>
</body>
</html>

<?php
// plugins/system/inventassistant/inventassistant.php

defined('_JEXEC') or die;

class PlgSystemInventassistant extends JPlugin
{
    public function onBeforeCompileHead()
    {
        $doc = JFactory::getDocument();

        $script = '<invent-assistant assistant-id="YOUR_ASSISTANT_ID"></invent-assistant>';
        $script .= '<script type="text/javascript" src="https://www.useinvent.com/embed.js" async defer></script>';

        $doc->addCustomTag($script);
    }
}

<invent-assistant
  assistant-id="YOUR_ASSISTANT_ID"
  theme-appearance="auto"
  theme-button-background-color="#1C3D5A"
  theme-button-color="#FFFFFF"
/>
<script type="text/javascript" src="https://www.useinvent.com/embed.js" async defer></script>

<?php
// In template index.php
$option = JFactory::getApplication()->input->getCmd('option', '');

// Only show on com_content (articles)
if ($option == 'com_content') {
?>
  <invent-assistant assistant-id="YOUR_ASSISTANT_ID" />
  <script type="text/javascript" src="https://www.useinvent.com/embed.js" async defer></script>
<?php
}
?>

<?php
$user = JFactory::getUser();

if (!$user->guest) {
    $secretKey = 'your_secret_key_here';
    $userId = (string) $user->id;
    $userName = $user->name;
    $userHash = hash_hmac('sha256', $userId, $secretKey);
?>
    <invent-assistant
        assistant-id="YOUR_ASSISTANT_ID"
        user-id="<?php echo htmlspecialchars($userId); ?>"
        user-name="<?php echo htmlspecialchars($userName); ?>"
        user-hash="<?php echo htmlspecialchars($userHash); ?>"
    />
    <script type="text/javascript" src="https://www.useinvent.com/embed.js" async defer></script>
<?php
} else {
?>
    <invent-assistant assistant-id="YOUR_ASSISTANT_ID" />
    <script type="text/javascript" src="https://www.useinvent.com/embed.js" async defer></script>
<?php
}
?>