Help and description for UDFs
 

i have gone through some of the good example from this group
and though definately i can get help of my problem regarding UDF help
and description.
i have created a udf say Myudf();
Now i would like to create help for this udf as we are getting on
click
of normal function as in excel Menu INSERT-FUNCTION-"Help for this
Function".
How can i activate this link for my udf and provide help to the user.
Also is there any wau of providing Tooltips for our UDF.
Please help me out...