From 33d6d93ae20bd530aef6c192ff4609a04351230e Mon Sep 17 00:00:00 2001
From: Leonid Stryzhevskyi <lganzzzo@gmail.com>
Date: Mon, 16 Jan 2023 00:20:09 +0200
Subject: [PATCH] Edit changelog/1.4.0.md

---
 changelog/1.4.0.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/changelog/1.4.0.md b/changelog/1.4.0.md
index aad14b6c..6fdc91a7 100644
--- a/changelog/1.4.0.md
+++ b/changelog/1.4.0.md
@@ -7,6 +7,7 @@ Feel free to ask questions - [Chat on Gitter!](https://gitter.im/oatpp-framework
 Contents:
 
 - [URL Encoder And Decoder](#url-encoder-and-decoder)
+- [Introduce async::ConditionVariable](#async-condition-variable)
 
 
 ## URL Encoder And Decoder
@@ -25,3 +26,24 @@ auto decoded = oatpp::encoding::Url::decode(encoded);
 OATPP_ASSERT(decoded == data);
 ```
 **Note**: Oat++ does NOT automatically decode URL and its parameters on endpoint hit. 
+
+## Async Condition Variable
+
+```cpp
+#include "oatpp/core/async/ConditionVariable.hpp"
+
+  ...
+  
+  oatpp::async::Lock* m_lock;
+  oatpp::async::ConditionVariable* m_cv;
+  
+  ...
+  
+  Action act() override {
+    return m_cv->waitFor(m_lock, // async::Lock
+                         [this]{return m_resource->counter == 100;}, // condition
+                         std::chrono::seconds(5)) // timeout
+           .next(finish());
+  }
+  ...
+```