public CreateServiceTemplateRequest withEncryptionKey(String encryptionKey) {
        setEncryptionKey(encryptionKey);
        return this;
    }
<p>
A customer provided encryption key that's used to encrypt data.
</p>

@param encryptionKey
       A customer provided encryption key that's used to encrypt data.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-proton/src/main/java/com/amazonaws/services/proton/model/CreateServiceTemplateRequest.java