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$User.UITheme and $User.UIThemeDisplayed

These global merge fields identify the Salesforce look and feel a user sees on a given Web page.

The difference between the two variables is that $User.UITheme returns the look and feel the user is supposed to see, while $User.UIThemeDisplayed returns the look and feel the user actually sees. For example, a user may have the permissions to see the new user interface theme look and feel, but if they are using a browser that doesn’t support that look and feel, for example, Internet Explorer 6, $User.UIThemeDisplayed returns a different value.

Usage

Use these variables to identify the CSS used to render Salesforce web pages to a user. Both variables return one of the following values:
  • Theme1—Obsolete Salesforce theme
  • Theme2Salesforce theme used prior to Spring ’10
  • PortalDefaultSalesforce Customer Portal theme
  • WebstoreSalesforce AppExchange theme
  • Theme3—Current Salesforce theme, introduced during Spring ’10

Example

The following example shows how you can render different layouts based on a user’s theme: