public void setRecurrence(RecurrenceSettings recurrence) {
        this.recurrence = recurrence;
    }
<p>
Specifies how long a rotation lasts before restarting at the beginning of the shift order.
</p>

@param recurrence
       Specifies how long a rotation lasts before restarting at the beginning of the shift order.
aws-java-sdk-ssmcontacts/src/main/java/com/amazonaws/services/ssmcontacts/model/GetRotationResult.java