You need to log in to the admin area, go to Configuration > System Settings > Search Client Group, and click on it. Then create to some, see screenshot



Then go to the MailerLite module, click on Client Groups, and select the section that you would like to add

Installing MailerLite is very simple. The following steps will guide you through the process:

1) Upload the entire folder to your website - if you experience problems, try uploading in binary mode. However, do not upload the “upload” folder, just the files inside of it!
2) Login to the admin area, go to Configuration > System Settings > ADDON MODULES
3) In the addon modules page, you will see the MailerLite click activate, then click configure to see the options
4) Check the Full Administrator box in the Access Control, then click Save Changes
5) You can access your module at 'Addons' → 'MailerLite'
6) Activate the API key. Click here, then click on Developer API
7) Make sure, before you add the API key, you set up the Subscriber groups here, or the key will not work.
8) Make sure you enable Marketing Emails from General Settings > Other

How To Create Groups

Version: 1.1.7 Released (06/08/2026)
Maintenance

Fixed: License system with Cloudflare
Fixed Support WHMCS 9.0.x

Version: 1.1.6 Released (03/11/2025)
Maintenance

Fixed License System
Fixed Support WHMCS 11.x & 12.1
Fixed Import guest client tickets

Version: 1.1.5 Released (11/22/2024)
Maintenance

Fixed Support PHP 8.3
Fixed support for ionCube Loader v14
Updated re-written Hook
Updated Remove Support for PHP 7.4
Updated Remove Support for WHMCS V8.6.x to 8.9.x
Updated to Support WHMCS 8.11.x

Version: 1.1.4 Released (01/31/2024)
Maintenance

Fixed custom field API
Fixed support for ionCube Loader v13
Updated the License System
Updated Improve ionCube Loader
Updated to Support WHMCS 8.9

Version: 1.1.3 Released (08/24/2023)
Maintenance

Fixed Issues with non-subscribers in the admin section
Fixed ionCube Software
Updated Remove Support for WHMCS V8.4.x to 8.5.x

Version: 1.1.2 Released (11/25/2022)
Maintenance

Fixed Support PHP 8.1
Fixed Issue with subscribe still active after removed
Updated Remove Support for PHP 7.2 to 7.3
Updated Remove Support for WHMCS V8.2.x to 8.3.x

Version: 1.1.1 Released (10/22/2022)
Maintenance

Fixed Issue with MailerLite API changes
Fixed Issue with WHMCS default mail OPT
Updated Remove Support for PHP 7.2.to 7.3
Updated Remove Support for WHMCS V8.1.x

Version: 1.1.0 Released (06/06/2022)
Minor

Added Products, Zip code, Country, and State in custom fields Integration
Added Import guest client's tickets
Added Multi-client groups
Added List stat feature

Version: 1.0.0 Released (08/08/2019)
Stable

New Initial Release

Installing Refer A Friend is very simple. The following steps will guide you through the process:

1 - Upload the entire folder to your website - if you experience problems, try uploading in binary mode. However, do not upload the “upload” folder, just the files inside of it!
2 - Login to the admin area, go to Configuration > System Settings > Addon Module
3 - In the Addons page, you will see the Refer A Friend click activate, then click configure to see the options

4 - Check the Full Administrator box in the Access Control, then click Save Changes
5 - To set the module to go to Addons > Refer A Friend
6 - How to set up other stuff go to https://forum.whmcsservices.net/showthread.php?tid=147

Version: 1.6.1 Released (07/14/2025)
Maintenance

Fixed: Click to show clients option to the admin dashboard page to show the count of registered clients with reference

Version: 1.6.0 Released (05/28/2025)
Minor

Added Threads share link functionality
Added Instagram share link functionality
Updated the code for the module admin side Home page
Updated Support WHMCS 12.x & 13.x
Updated Remove Support for WHMCS V 8.10
Updated Remove Support for PHP 7.4

Version: 1.5.3 Released (12/06/2024)
Maintenance

Fixed Pagination Broken
Fixed Clients do not get earnings
Updated support for ionCube Loader v14 and PHP 8.3
Updated Remove Support for WHMCS V 8.9.x

Version: 1.5.2 Released (11/18/2024)
Maintenance

Added Restrict affiliates
Updated Remove Support for WHMCS V8.8.x

Version: 1.5.1 Released (08/28/2024)
Maintenance

Fixed PHP Error
Fixed support for ionCube Loader v13 and PHP 8.1 & 8.2
Updated Remove Support for WHMCS V8.6.x to 8.7.x

Version: 1.5.0 Released (10/06/2023)
Minor

Added the ability to sort and search in the Referrers List
Added the Commissions in the Billing navbar
Fixed not showing the Promotion code on WHMCS 8.8.0
Fixed the wrong table shown at Client Signup
Fixed Refer Page content, not showing properly
Fixed Amount currency conversion, based on the default currency
Fixed Refer Page Content not showing as it should, using the Default Language
Fixed Promotion code support added to Twitter
Updated Remove Support for PHP 7.2 to 7.3
Updated Remove Support for WHMCS V8.4.x to 8.5.x

Version: 1.4.3 Released (04/24/2023)
Maintenance

Fixed CSS Style
Fixed Multiple Languages
Fixed Loading Issues

Version: 1.4.2 Released (03/29/2023)
Maintenance

Fixed support for ionCube Loader v12 and PHP 8.1
Fixed Currency PHP 8.1
Fixed WHMCS Cron Job PHP 8.1

Version: 1.4.1 Released (11/27/2022)
Maintenance

Fixed Promotion code support added to Twitter
Fixed Support PHP 8.1
Updated Remove Support for PHP 7.1 to 7.2
Updated Remove Support for WHMCS V8.2 to 8.3

Version: 1.4.0 Released (08/10/2022)
Minor

Added Promotions/Coupons for refer clients
Fixed the Facebook share button issue

Version: 1.3.0 Released (02/04/2022)
Minor

Added Opt-In clients need to agree terms before startingto  use Refer
Added Opt-In Logs
Fixed Small issues with WHMCS v8.4 & 8.5
Fixed the copy link URL button

Version: 1.2.0 Released (02/26/2021)
Minor

Added Select URL format
Added Client refer admin sign-up details

Version: 1.1.0 Released (01/11/2021)
Maintenance

Fixed Problems with One-Time on WHMCS v8.1 & 8.2
Added custom refer amount

Version: 1.0.2 Released (09/29/2020)
Maintenance

Fixed problem with deleted clients
Fixed problem with WHMCS v8.1
Fixed Twitter share button with a % sign
Updated Remove v4 Admin theme from distribution
Updated Remove Support for PHP 5.6 to 7.0

Version: 1.0.1 Released (2/21/2020)
Maintenance

Updated Redirect to the client area
Updated Redirect to the main domain
Updated Redirect to a custom link
Updated License Check
Updated About Page Images

Version: 1.0.0 Released (12/10/2019)
Stable

New Initial Release

Installing Products/Addons Images is very simple. The following steps will guide you through the process:

1 - Upload the entire folder to your website - if you experience problems, try uploading in binary mode. However, do not upload the “upload” folder, just the files inside of it!
2 - Login to the admin area, go to Configuration > System Settings > ADDON MODULES
3 - In the Addons page, you will see the Products/Addons Images. Click activate, then click configure to see the options
4 - Check the Full Administrator box in the Access Control, then click Save Changes
5 - To set the module to go to Addons > Products/Addons Images
6 - You made go to Products/Services, Product Addons, Configurable  or Group Option to add the images you like

Version: 1.1.4.1 Released (08/08/2025)
Maintenance

Fixed: License system with Cloudflare
Removed: Support for WHMCS V 8.11.x

Version: 1.1.4 Released (08/08/2025)
Maintenance

Fixed: Support WHMCS 8.11.x, 12.x, 13.x
Fixed: Support for ionCube Loader v14
Removed: Remove Support for WHMCS V 8.10.x
Removed: Remove Support for PHP 7.4

Version: 1.1.3 Released (03/27/2024)
Maintenance

Fixed Support WHMCS 8.9
Updated Help Page
Updated the License System
Updated Improve ionCube Loader

Version: 1.1.2 Released (01/12/2024)
Maintenance

Fixed support for ionCube Loader v13
Updated work with Licence System
Updated Improve ionCube Loader
Updated Remove Support for WHMCS V8.4.x to 8.6.

Version: 1.1.1 Released (05/16/2023)
Maintenance

Fixed support for ionCube Loader v12 and PHP 8.1
Updated Remove Support for PHP 7.1 to 7.2
Updated Remove Support for WHMCS V8.2 to 8.3

Version: 1.1.0 Released (06/04/2021)
Minor

Added Products group feature
Added Auto Updated On Module
Updated About Page

Version: 1.0.1 Released (11/04/2020)
Maintenance

Fixed WHMCS V8 Support
Fixed Swiftmodders Allure Themes
Updated Remove v4 Admin theme from distribution
Updated Remove the boxes order form template from distribution
Updated Remove modern order form template from distribution
Updated Remove Support for PHP 5.6 to 7.0

Version: 1.0.0 Released (02/03/2020)
Stable

New Initial Release

You need a Google Application so that you can get API keys through which you can make API calls. If you have an existing Google Application, you can use that; just make sure that you enable the Calendar API. If you don't have an existing Google Application, follow the steps below to get one :

Go to Google API Console
Create a project by clicking "Select a project" (at the top), and then clicking on the "+" button in the dialog box. In the next screen, enter your project name, and agree to the Terms and Conditions

Installing To-Do List Extended is very simple. The following steps will guide you through the process:

1) Upload the entire folder to your website - if you experience problems, try uploading in binary mode. However, do not upload the “upload” folder, just the files inside of it!
2) Login to admin area go to  > Configuration > System Settings > Addon Modules >
3) In the addon modules page, you will see the To-Do List Extended. Click activate, then click configure to see the options
4) Check the Full Administrator box in the Access Control, then click Save Changes
5) You can access your module at 'Addons' → 'To-Do List Extended'

Setup Google Calendar. Click Here

Version: 3.3.1 Released (02/06/2026)
Maintenance

Fixed Free Addons License System

Version: 3.3.0 Released (02/02/2026)
Minor

Added: Category page, used when creating a new To-Do item
Added: Category option in search/filter
Added: Export option for To-Do records
Added: Admin can now export To-Do items by selecting single or multiple records
Changed: To-Do list table with a new Category column
Changed: Email template updated to include the Status field
Fixed: Corrected typo "Compted" to "Completed."
Updated Support WHMCS 9.x
Updated Remove Support for WHMCS V8.10 to 8.11
Updated Remove Support for PHP 8.1
Updated Improve License System

Version: 3.2.0 Released (08/21/2025)
Minor

Added: the client's selection (first/last and company name #clientid, email) into Search/filter
Added: below-mentioned variable to be used into the email templates {$todoclient_name}, {$todoclient_id}, {$todoticket_name}, {$todoticket_id}
Security: The code has been updated to ensure that any XSS code will not execute on the admin pages when selecting a client in the Add, Edit, or Dashboard sections
Removed: Remove Support for WHMCS V 8.10

Version: 3.1.0 Released (06/23/2025)
Minor

Added Additional settings for email sending
Added Overview listing, updated on To-do
Add a dropdown with values ranging from 1 to 30
Fixed language issue
Fixed language set behalf on the loggedin admin user
Fixed Now shows the year in four-digit format
Updated the repeat method and set it to pending at every repeat period
Updated WHMCS 8.11.x, 8.12 & 8.13.x
Updated License System

Version: 3.0.0 Released (01/28/2025)
Stable

Added a To-Do link on the dashboard
Added View all To-Do links on the dashboard
Added Date and logged admin will be auto-selected while adding a new to-do
Added the repetition feature
Added To-Do content could be assigned to a specific client
Added Create Ticket will be auto-selected for the assigned client
Added an Option to add multiple links to To-Do
Added Search extended with Due date, client, and email options
Added Overview listing, updated on To-Do
Updated: Additional settings for email sending
Updated Remove Support for WHMCS V8.7 to 8.9
Updated Remove Support for PHP 7.4
Updated support for ionCube Loader v14

Version: 2.1.4 Released (01/10/2024)
Maintenance

Fixed support for ionCube Loader v13
Updated work with License System
Updated Improve ionCube Loader
Updated Remove Support for WHMCS V8.4 to 8.6

Version: 2.1.3 Released (11/27/2023)
Maintenance

Added a Widget so that you can easily keep track of your to-do list, with our extended mode.
Fixed Support PHP 8.1
Updated Remove Support for WHMCS V8.4 to 8.5

Version: 2.1.2 Released (11/25/2022)
Maintenance

Fixed Active Language selection issue
Fixed Support PHP 8.1
Updated Remove Support for PHP 7.2 to 7.3
Updated Remove Support for WHMCS V8.2 to 8.3

Version: 2.1.1 Released (08/23/2022)
Maintenance

Updated Email merge fields
Updated Notification when a new to-do is added for the client

Version: 2.1.0 Released (08/15/2022)
Minor

Added send notification for admin to-do assigned email
Added my assigned to-do list
Updated Email template text
Fixed Issue with PHP 7. x

Version: 2.0.1 Released (11/25/2021)
Maintenance

Fixed problem with column sorts
Fixed the Problem with the table admin filter
Updated whmcs.json
Updated About Page
Updated Remove Support for PHP 5.6 to 7.0
Updated Remove WHMCS 7.9.x

Version: 2.0.0 Released (11/25/2020)
Stable

Rewrite the whole code
Rename To-Do List Extended

Version: 1.0.0 Released (04/25/2019)
Stable

New Initial Release