public String getKmsKeyIdentifier() {
        return this.kmsKeyIdentifier;
    }
<p>
The KMS key identifier (key ID, key alias, or key ARN). AppConfig uses this ID to encrypt the configuration data
using a customer managed key.
</p>

@return The KMS key identifier (key ID, key alias, or key ARN). AppConfig uses this ID to encrypt the
        configuration data using a customer managed key.
aws-java-sdk-appconfig/src/main/java/com/amazonaws/services/appconfig/model/StartDeploymentRequest.java