@Override
    public void command(final String cmd) {
        Log.iForce(LOG_PRAEFIX + "command:" + cmd);
        if ("StopSound".equals(cmd)) {
            this.audioManager.pause();
        } else if ("Alert".equals(cmd)) {
            ActivityMixin.showApplicationToast("Wherigo-Alert");
        }
    }
From OpenWIG Doku:
Issues a command
<p>
This function should issue a command (SaveClose, DriveTo, StopSound, Alert).
main/src/main/java/cgeo/geocaching/wherigo/WherigoGame.java