# Schema: Polkadot SDK PRDoc Schema (prdoc) v1.0.0 # See doc at https://raw.githubusercontent.com/paritytech/polkadot-sdk/master/prdoc/schema_user.json title: Unique Usernames for Identity doc: - audience: Runtime User description: | Adds the ability to add unique usernames for an account with reverse lookup (as in `AccountId` to `Username` and `Username` to `AccountId`). crates: [ ]