This example adds a document variable named "Value1" to the active document. The example then retrieves the value from the Value1 variable, adds 3 to the value, and displays the results.
ActiveDocument.Variables.Add Name:="Value1", Value:="1"
MsgBox ActiveDocument.Variables("Value1") + 3
This example displays the name and value of each document variable in the active document.
For Each myVar In ActiveDocument.Variables
MsgBox "Name =" & myVar.Name & vbCr & "Value = " & myVar.Value
Next myVar