public void setEnvironmentIdentifier(String environmentIdentifier) {
        this.environmentIdentifier = environmentIdentifier;
    }
<p>
The environment ID or the environment name.
</p>

@param environmentIdentifier
       The environment ID or the environment name.
aws-java-sdk-appconfigdata/src/main/java/com/amazonaws/services/appconfigdata/model/StartConfigurationSessionRequest.java