public StartUpdateSignalMapResult withErrorMessage(String errorMessage) {
        setErrorMessage(errorMessage);
        return this;
    }
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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/StartUpdateSignalMapResult.java