Visualforce Developer Guide

Introducing Visualforce
Tools for Visualforce Development
Getting a Quick Start with Visualforce
Customizing the Appearance and Output of Visualforce Pages
Standard Controllers
Standard List Controllers
Custom Controllers and Controller Extensions
Live Controller (Pilot)
Advanced Examples
Overriding Buttons, Links, and Tabs with Visualforce
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrating Email with Visualforce
Visualforce Charting
Creating Maps with Visualforce
Render Flows with Visualforce
Templating with Visualforce
Developing Salesforce Apps with Visualforce
Adding Visualforce to a Salesforce AppExchange App
Using JavaScript in Visualforce Pages
Communicating Across the DOM with Lightning Message Service
Best Practices
Standard Component Reference
Appendices
Global Variables, Functions, and Expression Operators
Global Variables
$Action
$Api
$Asset
$Cache.Org
$Cache.Session
$Component
$ComponentLabel
$CurrentPage
$FieldSet
$Label
$Label.Site
$MessageChannel
$Network
$ObjectType
$Organization
$Page
$Permission
$Profile
$Resource
$SControl
$Setup
$Site
$System.OriginDateTime
$User
$User.UITheme and $User.UIThemeDisplayed
$UserRole
Functions
Expression Operators
Security Tips for Apex and Visualforce Development
Apex Classes Used in Visualforce Controllers
Execution Governors and Limits
Glossary
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$Permission

A global merge field type to use when referencing information about the current user’s custom permission access. Use permission merge fields to reference information about the user’s current access to any of your organization’s custom permissions.

Usage

  1. Select the field type: $Permission.
  2. Select a merge field such as $Permission.customPermissionName.

Example

To have a pageblock only appear for users that have the custom permission seeExecutiveData, use the following.
1<apex:pageBlock rendered="{!$Permission.canSeeExecutiveData}">
2   <!-- Executive Data Here -->
3</apex:pageBlock>

$Permission appears only if custom permissions have been created in your organization. For more information, see “Custom Permissions” in the Salesforce help.

Note