Thanks Juha. I add check before adding alias

if($(ct{param.value,alias}) == $null) { }

It's seems working.

On Thu, Jul 8, 2021 at 3:51 PM Juha Heinanen jh@tutpro.com wrote:

Transformations (e.g. nameaddr.uri and uri.param.name) on $ct are your friends.

-- Juha

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