public String getCustomJson() {
        return this.customJson;
    }
<p>
A string that contains user-defined, custom JSON. It can be used to override the corresponding default stack
configuration attribute values or to pass data to recipes. The string should be in the following format:
</p>
<p>
<code>"{\"key1\": \"value1\", \"key2\": \"value2\",...}"</code>
</p>
<p>
For more information about custom JSON, see <a
href="https://docs.aws.amazon.com/opsworks/latest/userguide/workingstacks-json.html">Use Custom JSON to Modify
the Stack Configuration Attributes</a>.
</p>

@return A string that contains user-defined, custom JSON. It can be used to override the corresponding default
        stack configuration attribute values or to pass data to recipes. The string should be in the following
        format:</p>
        <p>
        <code>"{\"key1\": \"value1\", \"key2\": \"value2\",...}"</code>
        </p>
        <p>
        For more information about custom JSON, see <a
        href="https://docs.aws.amazon.com/opsworks/latest/userguide/workingstacks-json.html">Use Custom JSON to
        Modify the Stack Configuration Attributes</a>.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/CreateStackRequest.java