What each feature do

[whmcsservices]

Hide/Show Ticket Staff Notes: Notes will always appear at the top of the ticket and can use Staff Mentions
Hide/Show Display Client Overview: (Client to know that when they login they can see the last IP address to make sure that they are the ones that logged at the last time)
Hide/Show Auto Login cPanel / DirectAdmin: (Allows your customer to login automatically from the client area that way they don't need to click any place more and also automatically login to the DirectAdmin or cPanel via the WHMCS)
Hide/Show Email Subscribe and UnSubscribe count: Admin can see all Subscribe or Unsubscribe
Hide/Show Order Staff Notes: Staff can write a note that the order needs to be waited for etc. Now when another admin staff opens this order he/she can see the notes and can inform the customer about the delay or share additional information based on the notes.
Hide/Show Upgrade/Downgrade Widget: A button they can click to upgrade or downgrade
Hide/Show Give admins the ability to manually change client passwords: Admin can Change passwords from clients > Manage Users
Hide/Show Support Ticket Priority: The client will not see the Support Ticket Priority
Hide/Show Custom Fields on Admin Ticket: Admin can see the client enter information they put
Hide/Show Prevent Duplicate Ticket Responses: 1 admin viewing any given page for Support Ticket
Hide/Show Prevent Duplicate Order Handling: 1 admin viewing any given page for Client Order
Hide/Show  Accept Free Order: Auto Accept Free Orders
Hide/Show  Accept All Paid Orders: Auto Accept Paid Orders
Hide/Show Expired Domain Names, Cancelled Domains, Cancelled/Terminated Products, and Addons: Ability to specify the number of days past expiration to begin hiding products/services/Domain Name
Hide/Show Domain Email Preferences: In the client area, the client doesn't see domain email preferences
Hide/Show Partial PayPal Payment: as you view the invoice screen, you are able to provide the option for your clients to make partial payments towards an invoice.  This can be very useful in a situation where you have customers paying off a large invoice, or you wish the client to make a deposit before the commencement of a task.  This only works with PayPal Basic.
Hide/Show Admin Area Advanced Badges: More advanced badge than WHMCS Badge Default
Enable Maintenance mode while daily cronjob running: When a cronjob is started, the site is into maintenance mode until the cronjob is finished.
Donation: Perfect online fundraising platform to increase your online donations, manage donors, and gain insight on your effort – all from directly within your WHMCS website.
Disable Store Credit Cards: When a customer checkout, when they enter their credit card number, the system defaults to saving their card info which then sets it up to attempt to auto-capture their next payment when the next invoice is generated. With this, it removes the Credit card automatically.
Client can search products or invoices: clients to be able to search through their products for a keyword and/or search invoices for line item keywords.
High Priority Notes Tickets: Show all ticket that is High Priority
Restricted Products/Groups (Allows selected groups to view and purchase select products/product groups)
Hide/Show Domain Groups (Will help you to get organized your domains, create as many as you want groups, and add a color to each of them)
Hide/Show Profile Photo (Allow your staff and customers to add profile photos)
Enable/Disable Set Client/User Match Emails (When a client email is updated, it should change the user email, and if the user email is updated, it should change the client email)
Enable/Disable Open Ticket Limit:  Limits customers to x tickets and gives them a message stating “You have already sent x tickets, you need to wait for a response from customer service to send another ticket”
Enable/Disable Hidden Client Email Staff: Option to hide the e-mail of the Client, while viewing the Ticket.
Enable/Disable Client Activity Log: The client can view a list of all activities log.
Bulk Products/Services Delete: You can delete couple or single products/services