--- a/tests/src/interfaces/augment-api-rpc.ts
+++ b/tests/src/interfaces/augment-api-rpc.ts
@@ -437,7 +437,7 @@
       /**
        * Get NFT resource priorities
        **/
-      nftResourcePriorities: AugmentedRpc<(collectionId: u32 | AnyNumber | Uint8Array, nftId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Vec<Bytes>>>;
+      nftResourcePriority: AugmentedRpc<(collectionId: u32 | AnyNumber | Uint8Array, nftId: u32 | AnyNumber | Uint8Array, resourceId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Option<u32>>>;
       /**
        * Get NFT resources
        **/
--- a/tests/src/interfaces/rmrk/definitions.ts
+++ b/tests/src/interfaces/rmrk/definitions.ts
@@ -81,13 +81,14 @@
       ],
       'Vec<RmrkTraitsResourceResourceInfo>',
     ),
-    nftResourcePriorities: fn(
+    nftResourcePriority: fn(
       'Get NFT resource priorities',
       [
         {name: 'collectionId', type: 'u32'},
         {name: 'nftId', type: 'u32'},
+        {name: 'resourceId', type: 'u32'},
       ],
-      'Vec<Bytes>',
+      'Option<u32>',
     ),
     base: fn(
       'Get base info',