Product Configuration (reference)

PUQ Web Hosting module WHMCS
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A product's behaviour is defined on its WHMCS Module Settings tabs. Installation & Configuration → Create a product walks the happy path; this page is a reference to the moving parts and how they fit together.

How the pieces connect
General tab → roles (Web/Mail/DNS) + Deployment mode (Split/Unified/Vanity)
Web/Mail/DNS limits → Hestia package quotas + module caps, each keyed to a Configurable Option
Client tab → which client-area pages/actions are visible
Email tab → WHMCS email template per module event
Config options tab → Create/sync the WHMCS Configurable Options + the vanity_name Custom Field

At order time the module reads each customer's chosen limits from the WHMCS Configurable Options (whose keys it created), overlays them on the product defaults, and stores the resolved set on the service. You can inspect that resolved set on the admin service panel (the Resolved limits table).
Deployment mode decides the tab set

Split / Unified → separate Web / Mail / DNS limits tabs.

Vanity → a single Vanity limits tab (Website quota + Mailbox quota), plus the vanity_domain Configurable Option and the vanity_name Custom Field.

See Deployment & Segmentation → Deployment models for what each mode does, and Vanity Mode → The vanity product for the vanity specifics.
Limits → Configurable Options
Every limit field names its override key (e.g. web_disk_quota, mail_accounts, dns_records). The Config options tab turns those keys into real WHMCS Configurable Options in one click, so customers can pick tiers and you can price upgrades.

Tab
Key examples

Web limits
web_disk_quota, web_bandwidth, web_databases, web_ftp_accounts, web_cron_jobs, web_backups

Mail limits
mail_disk_quota, mail_accounts, mail_backups

DNS limits
dns_records

Vanity limits
vanity_site_disk_quota, vanity_mail_quota, vanity_domain

Client permissions & emails
The Client tab hides/shows client‑area features per product; the Email tab maps each lifecycle event to a WHMCS email template. Both are covered with screenshots in Create a product.

Re‑running Create / sync missing is always safe — it only adds what's missing and never rewrites existing options or values. Run it again after enabling a new role or switching deployment mode.