diff --git a/native/chat/chat-input-bar.react.js b/native/chat/chat-input-bar.react.js
--- a/native/chat/chat-input-bar.react.js
+++ b/native/chat/chat-input-bar.react.js
@@ -133,7 +133,7 @@
 } from '../navigation/route-names.js';
 import { useSelector } from '../redux/redux-utils.js';
 import { type Colors, useStyles, useColors } from '../themes/colors.js';
-import type { LayoutEvent } from '../types/react-native.js';
+import type { LayoutEvent, ImagePasteEvent } from '../types/react-native.js';
 import { type AnimatedViewStyle, AnimatedView } from '../types/styles.js';
 import Alert from '../utils/alert.js';
 import { runTiming } from '../utils/animation-utils.js';
@@ -1372,7 +1372,7 @@
 
     const { threadInfo } = props;
     const imagePastedCallback = React.useCallback(
-      imagePastedEvent => {
+      (imagePastedEvent: ImagePasteEvent) => {
         if (threadInfo.id !== imagePastedEvent.threadID) {
           return;
         }
diff --git a/native/types/react-native.js b/native/types/react-native.js
--- a/native/types/react-native.js
+++ b/native/types/react-native.js
@@ -32,3 +32,11 @@
 };
 
 export type EmitterSubscription = { +remove: () => void, ... };
+
+export type ImagePasteEvent = {
+  +fileName: string,
+  +filePath: string,
+  +height: number,
+  +width: number,
+  +threadID: string,
+};