diff --git a/pages/chain/identity/schemas.mdx b/pages/chain/identity/schemas.mdx
index a4e04b651..45ae13baa 100644
--- a/pages/chain/identity/schemas.mdx
+++ b/pages/chain/identity/schemas.mdx
@@ -76,6 +76,7 @@ Used to identify the reward amount each approved project received in a Retro Fun
 | ------------- | ---------------------------------------------------------------------------------------------------------------------------- |
 | Issuer        | Currently, the Optimism Foundation issues these from one the following address: `0xE4553b743E74dA3424Ac51f8C1E586fd43aE226F` |
 | Recipient     | Null                                                                                                                         |
+| refUID        | The UID of the Retro Funding application                                                                                     |
 | projectRefUID | The unique identifier of the project                                                                                         |
 | round         | The retro round for which the project was rewarded                                                                           |
 | OPamount      | The amount of OP awarded to the project                                                                                      |