Titan Property

Palette.StorePaletteMode

API http://api.avolites.com/11.0/Palette.StorePaletteMode.html
description Should the next palette stored be stored as a shared palette?
Namespaces Palette
type Enum 0, 1, 2 (normal, shared, global) - the actual values have not yet been verified, see link below

see also http://forum.avolites.com/viewtopic.php?f=20&t=5992

The type of the property is an enumeration so you should either use the Math.ToEnum function to create the value or better still just use ActionScript.SetProperty.Enum.
example
  ActionScript.SetProperty.Enum("Palette.StorePaletteMode", "Normal")
used in