public void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }
Error message associated with a failed creation or failed update attempt of a signal map.

@param errorMessage
       Error message associated with a failed creation or failed update attempt of a signal map.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/StartUpdateSignalMapResult.java