radix-engine 1.3.1

# Collections

> **_NOTE:_** In [Radix Babylon Network](../../../#radix-babylon-network),
> Collections are currently only available for use by native packages.
 
A collection is a set of data which share the same schema. There are currently three types
of collections:
1. Key-Value Collection
2. Index Collection
3. Sorted Index Collection

Collections are identified by collection index.