public Integer getFrequencyInSeconds() {
        return this.frequencyInSeconds;
    }
<p>
The frequency that a message is sent to the user. When the period ends, Amazon Lex chooses a message from the
message groups and plays it to the user. If the fulfillment Lambda returns before the first period ends, an
update message is not played to the user.
</p>

@return The frequency that a message is sent to the user. When the period ends, Amazon Lex chooses a message from
        the message groups and plays it to the user. If the fulfillment Lambda returns before the first period
        ends, an update message is not played to the user.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/FulfillmentUpdateResponseSpecification.java