diff --git a/packages/xrpl/src/models/common/index.ts b/packages/xrpl/src/models/common/index.ts
index e6020490..3c302baa 100644
--- a/packages/xrpl/src/models/common/index.ts
+++ b/packages/xrpl/src/models/common/index.ts
@@ -97,14 +97,15 @@ export interface Hook {
    * The object that describes the hook in Hooks.
    */
   Hook: {
+    HookHash: string
     /**
      * The code that is executed when the hook is triggered.
      */
-    CreateCode: string
+    CreateCode?: string
     /**
      * The flags that are set on the hook.
      */
-    Flags: number
+    Flags?: number
     /**
      * The transactions that triggers the hook. Represented as a 256Hash
      */
diff --git a/packages/xrpl/src/models/transactions/invoke.ts b/packages/xrpl/src/models/transactions/invoke.ts
index a7824adc..fca9f45a 100644
--- a/packages/xrpl/src/models/transactions/invoke.ts
+++ b/packages/xrpl/src/models/transactions/invoke.ts
@@ -13,6 +13,10 @@ export interface Invoke extends BaseTransaction {
    * If present, invokes the Hook on the Destination account.
    */
   Destination?: string
+  /**
+   * Hex value representing a VL Blob.
+   */
+  Blob?: string
 }
 
 /**