diff --git a/documentation/authorization/examples/set_azure_key_env.cpp b/documentation/authorization/examples/set_azure_key_env.cpp
new file mode 100644
index 0000000..42ae506
--- /dev/null
+++ b/documentation/authorization/examples/set_azure_key_env.cpp
@@ -0,0 +1,10 @@
+#include "liboai.h"
+
+using namespace liboai;
+
+int main() {
+  OpenAI oai;
+  if (oai.auth.SetAzureKeyEnv("AZURE_API_KEY")) {
+    ...
+  }
+}