You can find this section in HostBill Admin → Settings → Products & Services → Your order page → Your product → Client Functions

Generic Client Functions
Client Functions availability can differ depending on the product type and module connected. In most of the modules you can enable following client functions:
Change Billing Cycle - allow customer to manually change (upgrade) recurring billing cycle.
Change Label - allow customer to change service label from service details page.
Change Ownership - allow customer to move given service to different user (owner) registered in your system, by providing their email address.
Login Details - display client login credentials.
Reset Password - allow customer to reset service password
Manual Service Renew - allow your customer to manually renew (issue invoice) sooner for service. Note that once customer issues invoice by himself, it will change service due date accordingly.
Service Auto Renewal - allow your customer to control if the service will automatically generate renewal invoices. This option is available only for regular billing model, prepay type.
Related Services - lists services that are related to current one for your client in client portal.
Edit Forms - allow customer to edit Components::Forms, input elements (that allows it in their configuration).
Contracts - allow customer to display related contracts
Service Notes - allow customer to see the notes added by the admins to the account and marked as "Client viewable".
Status Updates - allow customer to display status details
Service Auto Payment - allow customer to change payment method for services and enable automatic payments for renwal invoices.
Quota Usage - allow customer to display quota usage for the metrics marked with Show client tag in Quotas configuration.
Manage IP - allow customer to manage IPs assigned to them.
Reverse DNS - allow customer to manage their reverse DNS records.
Access Webmail - allow customer to login into Webmail from client area with one mouse-click.
Access Control Panel - allow customer to login into Control Panel from client area with one mouse-click.
Metered Billing Details - allow customer to display metered billing history in client area.
Graphs - Display graphs in client area assigned to the account from graphing app (ie. Observium, Cacti).
Direct Link - using this function you can add custom links in client service details.

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