## CollectionItem.Singleton

### Description

Returns one of two Integers with possible values VARIANT_TRUE (-1) or VARIANT_FALSE (0) if only one object of this type is allowed on its parent.

### C# Syntax

    // get accessor
    Int32 rtn = CollectionItem.Singleton;

### Examples

#### VBScript Example

    set oRoot = Application.ActiveProject.ActiveScene.Root
    set oGroup = oRoot.AddGroup
    set oMaterial = oGroup.AddMaterial("Phong")
    set oItem = CreateObject("XSI.CollectionItem")
    oItem.Value = oMaterial.FullName
    if oItem.Singleton then
    logmessage "Only one Material per objects"
    else
    logmessage "Multiple Materials are allowed on an object"
    end if

### See Also

siBranchFlag