Defining a lookup object
- In Design mode, click in an empty cell and click Lookup on the Objects toolbar.
 - Double-click the empty lookup object.
 -  
		  Specify this information: 
		  
- Name
 - Optionally specify a name. By default, lookup objects are
								automatically named 
Lookup[n]where n is a sequential number. If you specify a name it can be easier to reference the lookup object in formulas and scripts. - Value
 - Specify a formula or cell reference to display the list that is displayed when you click the lookup. For example, specify a MEMBERGET formula.
 - Formula for empty result
 - By default 
(empty)is displayed if a lookup does not return any data. Optionally, specify a different text such as ="Please select....". - Tooltip
 - By default, the value displayed by the lookup is used as a tooltip. Optionally, specify a different value, such as ="This is a list"
 
 - Select an icon to help to indicate the purpose of the lookup.
 - Specify the size and position of the lookup.
 -  
		  On the Properties tab, specify whether to enable or disable the lookup object.  
		  By default, lookup objects are enabled.
 - Specify the availability of the lookup.