[whpalmer4]

Henri, the middle section of the following code fragment shows how you can set those values.

tell application "OmniFocus"
	tell front document
		tell document window 1
			set theSelectedItems to selected trees of content
			set selectedItem to value of item 1 of theSelectedItems


			-- set next review date to tomorrow
			set next review date of selectedItem to (current date) + (1 * days)
			-- set review interval to 3 weeks
			set reviewInterval to {fixed:true, unit:week, steps:3}
			set review interval of selectedItem to reviewInterval


		end tell
	end tell
end tell