Add (CustomProperties Collection)
The Add method of a CustomProperties collection creates a new Property object, adds it to the collection, and returns a reference to the object. This method applies only to CustomProperties collections.
Syntax
Set vRet = object.Add(ByVal Value, [ByVal Name As String], [ByVal DataType As VBA.VbVarType)
vRet
A Variant variable that receives the instance of the new Property object. Instead of a variant, you can use a variable that has been declared as type DSO.Property to match the object being retrieved from the collection.
object
An instance of a CustomProperties collection.
Value
A Variant that contains the value of the Property object.
Name
(Optional) A string that specifies the name of the Property object.
DataType
(Optional) The data type of the property. A Microsoft® Visual Basic® data type defined in the VBA.VbVarType enumeration.