From 7916206512b840f8f71847b076c63bc55af4e4c5 Mon Sep 17 00:00:00 2001
From: andi357 <andi357@me.com>
Date: Fri, 17 Apr 2015 01:38:55 +0200
Subject: [PATCH] Omit the 'id' param when explicitly passing NSNull

---
 AFJSONRPCClient/AFJSONRPCClient.m | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/AFJSONRPCClient/AFJSONRPCClient.m b/AFJSONRPCClient/AFJSONRPCClient.m
index 1c98687..6b41445 100755
--- a/AFJSONRPCClient/AFJSONRPCClient.m
+++ b/AFJSONRPCClient/AFJSONRPCClient.m
@@ -126,7 +126,10 @@ - (NSMutableURLRequest *)requestWithMethod:(NSString *)method
     payload[@"jsonrpc"] = @"2.0";
     payload[@"method"] = method;
     payload[@"params"] = parameters;
-    payload[@"id"] = [requestId description];
+    
+    if (requestId != [NSNull null]) {
+        payload[@"id"] = [requestId description];
+    }
 
     return [self.requestSerializer requestWithMethod:@"POST" URLString:[self.endpointURL absoluteString] parameters:payload error:nil];
 }