sow-keys

Including the basic AMPS library:

import com.crankuptheamps.client.*;
import com.crankuptheamps.client.exception.*;

Constructing the command:

Command cmd = new Command(Message.Command.SOW)
                   .setTopic(topic)

                   // Key string contains AMPS sow keys
                   .setSowKeys(comma_delimited_key_string)
                   ;

The command can now be used in execute or executeAsync.