diff --git a/client/lib/engine/bin/ProtocolLib.py b/client/lib/engine/bin/ProtocolLib.py
index b12de50..85e536c 100644
--- a/client/lib/engine/bin/ProtocolLib.py
+++ b/client/lib/engine/bin/ProtocolLib.py
@@ -74,10 +74,10 @@ def ogUcastSyntax (op, sess, file=None, device=None, tool=None, level=None):
         SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_FORMAT, f'McastSession portbase {portbase}') ## || PERROR=3
         return
 
-    if 'SERVER' == mode:
+    if 'server' == mode:
         address = ''
         for i in range (1, len (session)):
-            address += f'-O {session[i]}:{portbase}'
+            address += f' -O {session[i]}:{portbase}'
     else:
         address = f'{session[1]}:{portbase}'
     #print (f'nati mode ({mode}) address ({address})')
@@ -121,6 +121,22 @@ def ogUcastSyntax (op, sess, file=None, device=None, tool=None, level=None):
 #@todo: ogIsLocked siempre devuelve 1
 #*/ ##
 
+def ogUcastSendPartition (disk, par, sess, tool, level):
+    PART = DiskLib.ogDiskToDev (disk, par)
+    if not PART: return None
+
+    FileSystemLib.ogUnmount (disk, par)
+
+    cmd = ogUcastSyntax ('SENDPARTITION', sess, device=PART, tool=tool, level=level)
+    if not cmd: return None
+    print (f'cmd ({cmd})')
+    try:
+        subprocess.run (cmd, shell=True, check=True)
+    except subprocess.CalledProcessError:
+        SystemLib.ogRaiseError ([], ogGlobals.OG_ERR_UCASTSENDPARTITION, ' ')
+        return None
+
+
 
 #/**
 #         ogUcastReceiverPartition