diff --git a/src/Connections/GenericHook.ts b/src/Connections/GenericHook.ts
index 0d2004661..47dfe055c 100644
--- a/src/Connections/GenericHook.ts
+++ b/src/Connections/GenericHook.ts
@@ -23,6 +23,7 @@ import {
   ExecuteResultContent,
   ExecuteResultWebhookResponse,
   WebhookTransformer,
+  RelatesTo,
 } from "../generic/WebhookTransformer";
 import { GetConnectionsResponseItem } from "../widgets/Api";
 import { ConnectionType } from "./type";
@@ -591,9 +592,9 @@ export class GenericHookConnection
     }
   }
 
-  public transformHookData(data: unknown): { plain: string; html?: string } {
+  public transformHookData(data: unknown): { plain: string; html?: string, relates_to?: RelatesTo } {
     // Supported parameters https://developers.mattermost.com/integrate/incoming-webhooks/#parameters
-    const msg: { plain: string; html?: string } = { plain: "" };
+    const msg: { plain: string; html?: string, relates_to?: RelatesTo } = { plain: "" };
     const safeData =
       typeof data === "object" && data !== null
         ? (data as Record<string, unknown>)
@@ -620,6 +621,10 @@ export class GenericHookConnection
         msg.html = `<strong>${safeData.username}</strong>: ${msg.html}`;
       }
     }
+
+    if (typeof safeData?.relates_to  === "object") {
+      msg.relates_to = safeData.relates_to ?? undefined;
+    }
     // TODO: Transform Slackdown into markdown.
     return msg;
   }
@@ -713,6 +718,9 @@ export class GenericHookConnection
           ...(content.mentions
             ? { "m.mentions": content.mentions }
             : undefined),
+          ...(content.relates_to
+            ? { "m.relates_to": content.relates_to }
+            : undefined),
           ...(content.html ? { format: "org.matrix.custom.html" } : undefined),
           ...(safeData
             ? { "uk.half-shot.hookshot.webhook_data": safeData }
diff --git a/src/generic/WebhookTransformer.ts b/src/generic/WebhookTransformer.ts
index 7191a8e22..8daeae509 100644
--- a/src/generic/WebhookTransformer.ts
+++ b/src/generic/WebhookTransformer.ts
@@ -10,7 +10,6 @@ interface Mentions {
   user_ids?: string[];
   room?: boolean;
 }
-
 interface FunctionResultObject {
   version: string;
   plain?: string;
@@ -21,6 +20,14 @@ interface FunctionResultObject {
   mentions?: Mentions;
 }
 
+export interface RelatesTo {
+  event_id?: string;
+  is_falling_back?: boolean;
+  key?: string;
+  "m.in_reply_to"?: { event_id?: string };
+  rel_type?: string;
+}
+
 export interface ExecuteResultWebhookResponse {
   body: string;
   contentType?: string;
@@ -32,6 +39,7 @@ export interface ExecuteResultContent {
   html?: string;
   msgtype?: string;
   mentions?: Mentions;
+  relates_to?: RelatesTo;
 }
 
 export interface ExecuteResult {