import com.sap.gateway.ip.core.customdev.util.Message;
    import java.util.HashMap;


    def Message processData(Message message) {
    def body = message.getBody(String);
    def isEmpty = false;
    if ( body == null || body.isEmpty() ) {
        isEmpty = true
    }
    print("isEmpty is " + isEmpty)
    map = message.getProperties();
    message.setProperty("EmptyPayload", isEmpty);

    return message;
}