public void setActionDefinition(ActionDefinition actionDefinition) {
        this.actionDefinition = actionDefinition;
    }
<p>
The custom action associated with the action name.
</p>

@param actionDefinition
       The custom action associated with the action name.
aws-java-sdk-networkfirewall/src/main/java/com/amazonaws/services/networkfirewall/model/CustomAction.java