public java.util.Map<String, String> getDynamicVariables() {
        return dynamicVariables;
    }
<p>
The dynamic variables to use for substitution during prefetch requests to the ad decision server (ADS).
</p>
<p>
You initially configure <a href="https://docs.aws.amazon.com/mediatailor/latest/ug/variables.html">dynamic
variables</a> for the ADS URL when you set up your playback configuration. When you specify
<code>DynamicVariables</code> for prefetch retrieval, MediaTailor includes the dynamic variables in the request
to the ADS.
</p>

@return The dynamic variables to use for substitution during prefetch requests to the ad decision server
        (ADS).</p>
        <p>
        You initially configure <a
        href="https://docs.aws.amazon.com/mediatailor/latest/ug/variables.html">dynamic variables</a> for the ADS
        URL when you set up your playback configuration. When you specify <code>DynamicVariables</code> for
        prefetch retrieval, MediaTailor includes the dynamic variables in the request to the ADS.
aws-java-sdk-mediatailor/src/main/java/com/amazonaws/services/mediatailor/model/PrefetchRetrieval.java