Updating Cognito Emails
Upon completion of the Marketplace Central installation, log into the AWS Account of the application and navigate to the Amazon Cognito Service and the MarketplaceCentralPool

In the left hand navigation, click on the Manage Template and sellect Invitation Message then Edit.

Add Welcome to Marketplace Central in the Subject

The Recommended HTML that requires an update for your Marketplace Central URL
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Welcome to Marketplace Central</title>
<style type="text/css">
/* Import DM Sans font */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');
/* Reset styles for email clients */
body, table, td, p, a, li, blockquote {
-webkit-text-size-adjust: 100%;
-ms-text-size-adjust: 100%;
}
body {
margin: 0;
padding: 0;
font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
line-height: 1.6;
color: #333333;
background-color: #f0f4f8;
}
table {
border-spacing: 0;
border-collapse: collapse;
mso-table-lspace: 0pt;
mso-table-rspace: 0pt;
}
img {
border: 0;
height: auto;
line-height: 100%;
outline: none;
text-decoration: none;
-ms-interpolation-mode: bicubic;
}
/* Main container */
.container {
max-width: 600px;
margin: 0 auto;
background-color: #ffffff;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}
/* Header */
.header {
padding: 30px 0;
text-align: center;
background-color: #000000;
color: #ffffff;
}
/* Logo */
.header img {
border: 0;
display: block;
margin: 0 auto;
max-width: 80%;
height: auto;
}
/* Content */
.content {
padding: 30px;
font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}
/* Credentials box */
.credentials-box {
background-color: #e0f7fa;
border: 1px solid #b2ebf2;
border-radius: 5px;
padding: 20px;
margin: 20px 0;
font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}
.credentials-item {
margin-bottom: 10px;
}
.credentials-label {
font-weight: bold;
display: inline-block;
width: 120px;
font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
color: #00363a;
}
.credentials-value {
font-family: monospace;
background-color: #ffffff;
padding: 3px 6px;
border-radius: 3px;
border: 1px solid #b2ebf2;
color: #006064;
}
/* Button */
.button-container {
text-align: center;
margin: 30px 0;
}
.button {
display: inline-block;
background-color: #ffc107;
color: #333333 !important;
text-decoration: none;
padding: 12px 30px;
border-radius: 4px;
font-weight: bold;
font-size: 16px;
font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
/* Footer */
.footer {
padding: 20px;
text-align: center;
font-size: 12px;
color: #666666;
background-color: #e0f7fa;
font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
border-top: 1px solid #b2ebf2;
}
a {
color: #00838f;
text-decoration: underline;
}
/* Responsive adjustments */
@media screen and (max-width: 600px) {
.container {
width: 100% !important;
border-radius: 0;
}
.content {
padding: 20px !important;
}
.credentials-label {
display: block;
width: 100%;
margin-bottom: 5px;
}
}
</style>
</head>
<body>
<table width="100%" border="0" cellpadding="0" cellspacing="0" bgcolor="#f0f4f8">
<tr>
<td align="center" style="padding: 40px 0;">
<table class="container" width="600" border="0" cellpadding="0" cellspacing="0">
<!-- Header -->
<tr>
<td class="header">
<img src="https://marketplacecentrallogobin.s3.amazonaws.com/MarketplaceCentralLogo_Main.png" alt="Marketplace Central Logo" width="250" style="max-width: 80%; height: auto; display: block; margin: 0 auto;">
</td>
</tr>
<!-- Content -->
<tr>
<td class="content">
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333;">Hello,</p>
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333;">Your Marketplace Central account has been created successfully. Below are your login credentials:</p>
<!-- Credentials Box -->
<div class="credentials-box">
<div class="credentials-item">
<span class="credentials-label">Username:</span>
<span class="credentials-value">{username}</span>
</div>
<div class="credentials-item">
<span class="credentials-label">Temporary Password:</span>
<span class="credentials-value">{####}</span>
</div>
</div>
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333;">For security reasons, you will be required to change your password upon your first login.</p>
<!-- Button -->
<div class="button-container">
<a href="https://<<Marketplace Central/login" class="button" style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;">Access Marketplace Central</a>
</div>
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333;">If you have any questions or need assistance, please visit <a href="https://support.thoughtbox.ai" style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #00838f;">support.thoughtbox.ai</a>.</p>
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333;">Thank you,<br>The Marketplace Central Team</p>
</td>
</tr>
<!-- Footer -->
<tr>
<td class="footer">
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #666666;">© 2025 thoughtbox, Inc. All rights reserved.</p>
<p style="font-family: 'DM Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #666666;">This is an automated email. Please do not reply to this message.</p>
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>
Note: href needs to be changed to application url