In any case, you first need some event to trigger your action.

If i recall properly, in event context you can always get root blip of
wavelet, and direct children of affected blip.
Then you can try following:
1. modify the root blip with dumb data (say, some special annotation
at start).
2. catch on_blip_submitted event on root blip. (check your dumb data
to assure it is your modification)
3. now you have access to all children blips of root.
4. delete all direct children with all their descendants
5. remove dumb data from root blip.

On Oct 28, 8:44 pm, shitu <[email protected]> wrote:
> Hi all..
> I wants to delete all the blips in the wave except the root blip.

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