client.patch

diff --git a/examples/http3_client.py b/examples/http3_client.py
index 36bb420..adb08b2 100644
--- a/examples/http3_client.py
+++ b/examples/http3_client.py
@@ -538,7 +538,26 @@ if __name__ == "__main__":
     parser.add_argument(
         "--zero-rtt", action="store_true", help="try to send requests using 0-RTT"
     )
-
+    parser.add_argument(
+        "--server-name",
+        type=str,
+        help="set the server name for SNI (Server Name Indication)",
+    )
+    parser.add_argument(
+        "--token",
+        type=str,
+        help="specify the token as a byte string",
+    )
+    parser.add_argument(
+        "--init-scid",
+        type=str,
+        help="Initial Source Connection ID as a hex string (e.g., '48656c6c6f')."
+    )
+    parser.add_argument(
+        "--init-dcid",
+        type=str,
+        help="Initial Destination Connection ID as a hex string (e.g., '48656c6c6f')."
+    )
     args = parser.parse_args()
 
     logging.basicConfig(
@@ -584,7 +603,14 @@ if __name__ == "__main__":
                 configuration.session_ticket = pickle.load(fp)
         except FileNotFoundError:
             pass
-
+    if args.server_name:
+        configuration.server_name = args.server_name
+    if args.token:
+        configuration.token = bytes.fromhex(args.token)
+    if args.init_scid:
+        configuration.init_scid = bytes.fromhex(args.init_scid)
+    if args.init_dcid:
+        configuration.init_dcid = bytes.fromhex(args.init_dcid)
     # load SSL certificate and key
     if args.certificate is not None:
         configuration.load_cert_chain(args.certificate, args.private_key)
diff --git a/src/aioquic/h0/connection.py b/src/aioquic/h0/connection.py
index 73c349d..829388b 100644
--- a/src/aioquic/h0/connection.py
+++ b/src/aioquic/h0/connection.py
@@ -4,7 +4,7 @@ from aioquic.h3.events import DataReceived, H3Event, Headers, HeadersReceived
 from aioquic.quic.connection import QuicConnection
 from aioquic.quic.events import QuicEvent, StreamDataReceived
 
-H0_ALPN = ["hq-interop"]
+H0_ALPN = ["hq-interop", "hq-29"]
 
 
 class H0Connection: