add followups

src/helpers/interactions/followups/getFollowupMessage.ts

@@ -0,0 +1,13 @@
+import { Bot } from "../../../bot.ts";
+import { Message } from "../../../types/messages/message.ts";
+
+/** Returns a followup message for an Interaction. Functions the same as get webhook message, however this uses your interaction token instead of bot token. Does not support ephemeral followups. */
+export async function getFollowupMessage(bot: Bot, interactionToken: string, messageId: bigint) {
+  const result = await bot.rest.runMethod<Message>(
+    bot.rest,
+    "get",
+    bot.constants.endpoints.WEBHOOK_MESSAGE(bot.applicationId, interactionToken, messageId)
+  );
+
+  return bot.transformers.message(bot, result);
+}