https://docs.whmcs.com/9-1/tags/custom-fields/Recent content in custom-fields onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/products/products/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/products/products/Documents each product configuration tab in Products/Services — Details, Pricing, Module Settings, Custom Fields, Configurable Options, Upgrades, Free Domain, Cross-sells, Other, Links — with fields like Payment Types, Recurring Cycles Limit, and Metric Billing.https://docs.whmcs.com/9-1/products/configuration-options/product-configuration-options/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/products/configuration-options/product-configuration-options/Surveys product customization mechanisms: the Shared Hosting, Reseller Hosting, Server/VPS, and Other product types, MarketConnect products for reselling third-party services, client-driven upgrades and downgrades, admin-only or public custom fields, and the decision criteria for choosing configurable options (price-altering, single billing cycle) versus product addons (separately billed, independently selectable one-time items).https://docs.whmcs.com/9-1/products/configuration-options/product-addons/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/products/configuration-options/product-addons/Covers the Independent Product and Add-On Feature addon types (including predefined addons like WP Toolkit Deluxe), Details tab settings such as Show on Order, Hidden, Retired, Suspend Parent Product, and Addon Weighting with a Show/Hide/Retire behavior table, Pricing tab options including Payment Type, Prorata Billing, and On-Demand Renewals, Module Settings for provisioning, internal-use Custom Fields, Applicable Products selection, and Associated Download configuration.https://docs.whmcs.com/9-1/billing-and-invoicing/custom-pdf-invoices/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/billing-and-invoicing/custom-pdf-invoices/Lists the invoicepdf.tpl, quotepdf.tpl, and viewinvoice.tpl template files, header/footer template naming conventions, logo replacement steps, available Smarty template variables like invoiceid and clientsdetails, filename customization via language file strings, and PDF Font Family settings for reducing file size or supporting additional character sets.https://docs.whmcs.com/9-1/clients/the-client-area/custom-fields/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/clients/the-client-area/custom-fields/Covers creating Client, Product, and Support Department custom fields with field types (Text Box, Password, Drop Down, Checkbox), Admin Only, Required Field, Show on Order Form, and Show on Invoice options, display names, regular expression validation, searching by custom field values, and merge field syntax for displaying values in emails and pages.https://docs.whmcs.com/9-1/system/email/email-templates/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/email/email-templates/Covers editing template headers, attachments, and Smarty merge fields (including addon and custom field merge field syntax), conditional display statements, universal headers/footers, per-locale template localization, creating custom templates, and disabling a template from sending.https://docs.whmcs.com/9-1/clients/the-client-area/linking-to-whmcs/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/clients/the-client-area/linking-to-whmcs/Documents Client Area, shopping cart, and product links, the product Links tab’s Direct Shopping Cart Link variants, URL variables for billing cycle, domain options, promo codes, and configurable options, prefilling custom fields and addons via URL, setting language, template, and currency in a link, support ticket submission links, and retrieving announcements from the tblannouncements table.https://docs.whmcs.com/9-1/system/localization/localization-tutorials/translate-product-text/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/system/localization/localization-tutorials/translate-product-text/Lists translatable fields (product group and product names/taglines/descriptions, custom field names/descriptions, support department names/descriptions), the steps to enable Dynamic Field Translation on the Localisation tab, and how to enter per-language values via the Translate button, including the hyphenated MarketConnect addon naming format.