Send a message key/value pair to a virtual machine:

# ./ovm_vmmessage -u admin -p password -h localhost -v MyVM02 -k foo -V bar 
Oracle VM VM Message utility 0.5.2. 
Connected. 
VM : 'MyVM02' has status :  Running. 
Sending message. 
Message sent successfully.

Send a message key/value pair to a virtual machine, identifying the VM by its UUID:

# ./ovm_vmmessage -u admin -p password -h localhost \
  -U 0004fb00000600001c925eac2ad5d328 -k foo -V bar 
Oracle VM VM Message utility 0.5.2.
Connected. 
VM : 'MyVM02' has status :  Running. 
Sending message. 
Message sent successfully.

Retrieve a message from a virtual machine, identifying the VM by its UUID:

# ./ovm_vmmessage -u admin -p password -h localhost \
  -U 0004fb00000600001c925eac2ad5d328 -q foo 
Oracle VM VM Message utility 0.5.2. 
Connected. 
VM : 'MyVM02' has status :  Running. 
Querying for key 'foo'. 
Query successful. 
Query for Key : 'foo' returned value 'bar'. 
Key set 27 minutes ago.