Custom "Number Range" in Cloud

Hello,

I would like to know it there's any tile in Cloud, similar to "SNRO" in R3, to create a custom number range. We would need this for a custom CBO, to have a counter in a field.

I have try to do it with logic inside the CBO, After Modification, using "DESCRIBE TABLE CBO_name" but this statement is not allowed.

Thanks for your help,