A value is a terminal token representing a concrete element. This can be:

  • field
  • token
  • an integer
  • a floating point number
  • a date time
  • a boolean
  • a string
  • a function


Use internal name or display name of the field in square brackets





  • CurrentLanguage — current language (LCID: 1033 – English, 1031 – German, etc.)
  • CurrentUserLogin — login of the current user
  • CurrentUserName — display name of the current user
  • Today — current date
  • Now — current date and time
  • IsMobileDevice — indicates whether current user agent is a mobile device.
  • IsTabletDevice — indicates whether current user agent is a tablet device
  • UserAgent — current user agent string


They are represented using numbers.

  • 123456

They are evaluated as Int32.

Floating point numbers

Use the dot to define the decimal part.

  • 123.456
  • .123

They are evaluated as Decimal.

Scientific notation

You can use the e to define power of ten (10^).

  • 1.22e1
  • 1e2
  • 1e+2
  • 1e-2
  • .1e-2
  • 1e10

They are evaluated as Double

Dates and Times

Must be enclosed between sharps.

  • #2013/02/13# // for en-US culture

They are evaluated as DateTime. Forms Designer uses the current Culture to evaluate them.


Booleans can be either true or false.

  • true
  • false


Any character between single quotes ‘ are evaluated as String.

  • ‘hello’

You can escape special characters using \\, \’, \n, \r, \t.


A function is made of a name followed by braces, containing optionally any value as arguments.

  • Abs(1)
  • ContainsCurrentUser([People])

See the functions list for details.