public void setDynamicVariable(String dynamicVariable) {
        this.dynamicVariable = dynamicVariable;
    }
<p>
The dynamic variable(s) that MediaTailor should use as avail matching criteria. MediaTailor only places the
prefetched ads into the avail if the avail matches the criteria defined by the dynamic variable. For information
about dynamic variables, see <a href="https://docs.aws.amazon.com/mediatailor/latest/ug/variables.html">Using
dynamic ad variables</a> in the <i>MediaTailor User Guide</i>.
</p>
<p>
You can include up to 100 dynamic variables.
</p>

@param dynamicVariable
       The dynamic variable(s) that MediaTailor should use as avail matching criteria. MediaTailor only places
       the prefetched ads into the avail if the avail matches the criteria defined by the dynamic variable. For
       information about dynamic variables, see <a
       href="https://docs.aws.amazon.com/mediatailor/latest/ug/variables.html">Using dynamic ad variables</a> in
       the <i>MediaTailor User Guide</i>.</p>
       <p>
       You can include up to 100 dynamic variables.
aws-java-sdk-mediatailor/src/main/java/com/amazonaws/services/mediatailor/model/AvailMatchingCriteria.java