diff --git a/src/libs/isReportMessageAttachment.js b/src/libs/isReportMessageAttachment.ts
similarity index 71%
rename from src/libs/isReportMessageAttachment.js
rename to src/libs/isReportMessageAttachment.ts
index e107df8ddfaa..3f9e9d2de201 100644
--- a/src/libs/isReportMessageAttachment.js
+++ b/src/libs/isReportMessageAttachment.ts
@@ -1,13 +1,18 @@
 import CONST from '../CONST';
 
+type IsReportMessageAttachmentParams = {
+    text: string;
+    html: string;
+    translationKey: string;
+};
+
 /**
  * Check whether a report action is Attachment or not.
  * Ignore messages containing [Attachment] as the main content. Attachments are actions with only text as [Attachment].
  *
- * @param {Object} reportActionMessage report action's message as text, html and translationKey
- * @returns {Boolean}
+ * @param reportActionMessage report action's message as text, html and translationKey
  */
-export default function isReportMessageAttachment({text, html, translationKey}) {
+export default function isReportMessageAttachment({text, html, translationKey}: IsReportMessageAttachmentParams): boolean {
     if (translationKey) {
         return translationKey === CONST.TRANSLATION_KEYS.ATTACHMENT;
     }