public EmergencyCallingConfiguration withDNIS(DNISEmergencyCallingConfiguration... dNIS) {
        if (this.dNIS == null) {
            setDNIS(new java.util.ArrayList<DNISEmergencyCallingConfiguration>(dNIS.length));
        }
        for (DNISEmergencyCallingConfiguration ele : dNIS) {
            this.dNIS.add(ele);
        }
        return this;
    }
<p>
The Dialed Number Identification Service (DNIS) emergency calling configuration details.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setDNIS(java.util.Collection)} or {@link #withDNIS(java.util.Collection)} if you want to override the
existing values.
</p>

@param dNIS
       The Dialed Number Identification Service (DNIS) emergency calling configuration details.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/EmergencyCallingConfiguration.java