diff --git a/README.md b/README.md
index 6eb692c..b0a34ca 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,12 @@ class SRT {
   close(socket:Number): result:Number
   read(socket:Number, chunkSize:Number): chunk:Buffer
   write(socket:Number, chunk:Buffer): result:Number
+  setSockOpt(socket:Number, option:Number, value): result:Number
+  getSockOpt(socket:Number, option:Number): value
+  getSockState(socket:Number): value:Number
+  epollCreate(): epid:Number
+  epollAddUsock(epid:Number, socket:Number, events:Number): result:Number
+  epollUWait(epid:Number, msTimeOut:Number): events:Array
 }
 ```