diff --git a/packages/core/src/manifest.ts b/packages/core/src/manifest.ts
index 3e47b32..20bc11e 100644
--- a/packages/core/src/manifest.ts
+++ b/packages/core/src/manifest.ts
@@ -130,6 +130,12 @@ type OpenLinkAction = BaseAction & {
   url: string;
 };
 
+type SetStateAction = BaseAction & {
+  type: "SETSTATE";
+  ref: string;
+  value: string;
+};
+
 export type EthPersonalSignData = {
   statement: string;
   version: string;
@@ -171,6 +177,7 @@ export type ModAction =
   | AddEmbedAction
   | SetInputAction
   | OpenLinkAction
+  | SetStateAction
   | EthPersonalSignAction
   | SendEthTransactionAction
   | ExitAction;
diff --git a/packages/core/src/renderer.ts b/packages/core/src/renderer.ts
index 6255101..a4003c2 100644
--- a/packages/core/src/renderer.ts
+++ b/packages/core/src/renderer.ts
@@ -272,6 +272,10 @@ export interface OpenLinkActionResolver {
     events: OpenLinkActionResolverEvents
   ): void;
 }
+export interface SetStateActionResolver {
+  ref: string;
+  value: string;
+}
 
 export type EthPersonalSignActionResolverInit = {
   data: EthPersonalSignData;
@@ -855,6 +859,11 @@ export class Renderer {
         };
         break;
       }
+      case "SETSTATE": {
+        set(this.refs, action.ref, this.replaceInlineContext(action.value));
+        this.onTreeChange();
+        break;
+      }
       case "web3.eth.personal.sign": {
         const promise = new Promise<void>((resolve) => {
           setTimeout(() => {