Ink Property [Publisher 2003 VBA Language Reference]
Returns or sets a Long indicating whether the specified color is a spot color, and if so, the spot plate to which it belongs. Valid values are pbInkNone (default; meaning that the color is not a spot color) or a number between 1 and n where n is the number of spot plates. Read/write.
expression.Ink
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example specifies that the color of the first text range on page one of the active publication should be assigned to spot plate two.
ActiveDocument.Pages(1).Shapes(1).TextFrame _
.TextRange.Font.Color.Ink = 2
Applies to | ColorFormat Object