From 92eeb8d749740ef4d6500dc59968e9310528eb02 Mon Sep 17 00:00:00 2001
From: YuLong Yao <feilongphone@gmail.com>
Date: Thu, 18 May 2023 17:29:46 +0800
Subject: [PATCH] Readme: add guiUndo action

---
 README.md | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/README.md b/README.md
index 4785900..19a008b 100644
--- a/README.md
+++ b/README.md
@@ -1469,6 +1469,32 @@ corresponding to when the API was available for use.
     ```
     </details>
 
+#### `guiUndo`
+
+*   Undo the last action / card; returns `true` if succeeded or `false` otherwise.
+
+    <details>
+    <summary><i>Sample request:</i></summary>
+
+    ```json
+    {
+        "action": "guiUndo",
+        "version": 6
+    }
+    ```
+    </details>
+
+    <details>
+    <summary><i>Sample result:</i></summary>
+
+    ```json
+    {
+        "result": true,
+        "error": null
+    }
+    ```
+    </details>
+
 #### `guiDeckOverview`
 
 *   Opens the *Deck Overview* dialog for the deck with the given name; returns `true` if succeeded or `false` otherwise.