shader writing: Array picking menu question

[Rob Wuijster <rob(at)glassworksamsterdam.nl>]

Hi all,

I'm looking into the production shaders from the MR 3.6 library, to see 
if I can write a PPG or two....

The mi code states the subset shader as follows:

declare shader "mip_render_subset" (
        boolean "enabled"        default on,
        array geometry "objects",
        array integer  "instance_label",
        material       "material",
        boolean "mask_only"      default off,
        color   "mask_color"     default 1 1 1 1,
        color   "background"     default 0 0 0 0,
        color   "other_objects"  default 0 0 0 0,
        boolean "full_screen_fg" default on
    )
    apply lens
    version 5
end declare


How can I set an array for the geometry picking:

	Parameter "objects" input
	{
		GUID = "{6E5F6515-FF4B-42FA-B9D6-9F4E1231359D}";
		UI "mapping" = "{38D56C23-8C0D-11D0-857D-00A02417D029}";
		Inspectable = off;
		Type = array
		{
			Parameter "objects" input
			{
				GUID = "{B4A7E44E-6C8B-46CA-8698-6DDB36C244D8}";
				Type = ????????;   <----How to have XSI look at geometry here? -->
			}
		};
	}
}

The same goes for the "material" entry as well....

cheers for any answers, as it has been a while since I did this 
conversion writing, and am slowly working my way through the SDK now,


Rob Wuijster
Glassworks Amsterdam

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