# How to make an infinite number of id ? 1,2,3 and up to a trillion, how to write Castor action?
**URL:** https://forum.adalo.com/t/how-to-make-an-infinite-number-of-id-1-2-3-and-up-to-a-trillion-how-to-write-castor-action/31711
**Category:** Database
**Created:** [September 10, 2022, 9:48am UTC](https://forum.adalo.com/t/how-to-make-an-infinite-number-of-id-1-2-3-and-up-to-a-trillion-how-to-write-castor-action/31711 "2022-09-10T09:48:54Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@TonyS](https://forum.adalo.com/u/TonyS)
#### Post date: [September 10, 2022, 9:48am UTC](https://forum.adalo.com/t/how-to-make-an-infinite-number-of-id-1-2-3-and-up-to-a-trillion-how-to-write-castor-action/31711/1 "2022-09-10T09:48:54Z")
the parameter is needed to read the number of orders and assign it to the user
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### Author:  [@Benalihoussam](https://forum.adalo.com/u/Benalihoussam)
#### Post date: [September 13, 2022, 10:13pm UTC](https://forum.adalo.com/t/how-to-make-an-infinite-number-of-id-1-2-3-and-up-to-a-trillion-how-to-write-castor-action/31711/2 "2022-09-13T22:13:31Z")
Hi you can acheive this just by doing this:
ID= orders (count) +1
in this case ID has to be a number property in the orders collection, if it’s not use a custom formula to performe the same thing
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### Author:  [@TonyS](https://forum.adalo.com/u/TonyS)
#### Post date: [September 15, 2022, 8:43pm UTC](https://forum.adalo.com/t/how-to-make-an-infinite-number-of-id-1-2-3-and-up-to-a-trillion-how-to-write-castor-action/31711/3 "2022-09-15T20:43:38Z")
it’s not that