SharePoint Expression Builders First discussed on http://weblogs.asp.net/ricardoperes/archive/2012/09/22/sharepoint-2010-field-expression-builder.aspx and http://weblogs.asp.net/ricardoperes/archive/2012/10/17/more-sharepoint-2010-expression-builders.aspx.

Included expression builders:

• SPContext: returns a property value from the current SPContext
• SPFarmProperty: returns a property value from the current SPFarm
• SPField: returns a property value from the current SPField object
• SPHasPermission: checks if the current user has a specific permission
• SPIsInAudience: checks if the current user belongs to a specific audience
• SPIsInGroup: checks if the current user belongs to a specific group
• SPProperty: returns a property value from the current user's profile
• SPPublishingPage: returns a property value from the current publishing page
• SPQueryString: returns a property value from the query string
• SPWebProperty: returns a property value from the current SPWeb

Copyright Ricardo Peres 2013