public FulfillmentUpdateResponseSpecification withFrequencyInSeconds(Integer frequencyInSeconds) {
        setFrequencyInSeconds(frequencyInSeconds);
        return this;
    }
<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>

@param frequencyInSeconds
       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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/FulfillmentUpdateResponseSpecification.java