Can a function be refreshed without rebuilding it

I have a function I have built that takes 4 parameters; last parameter is optional. I am adding a 5th parameter that will be optional but I want to register the function with the new parameter. I didn't notice any button or option in the Discoverer Administration tool to REFRESH the function. Is the only way to get the parameter added is to unregister and re-register the pl/sql function? Thanks for all the input ahead of time :-)

WOW, I must have been blind Rod. I was obviously not thinking. I went back to the admin interface to verify I could do this and I can :-).. This acutally raises another question which is if you do not place the name of the column in the "Name" attribute, how would Discoverer know what to associate the new arguement to? I quickly added a bogus parameter to the function and when I made it required, in order to run the old report 1 conditions was deleted with a calculation that was used. If I make the bogus parameter "Optional" it then didnt destroy the prior report that was built against it. In either case, when I "Validate" the function it said ALL IS WELL (dumb system :-) Anyway, thanks for letting me know about adding this manually because I painstakingly saved all the descriptions out on the Function and Parameters so that I could delete it and re-add the function but your way would have short cut the process :-)

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