public BatchPutContactRequest withContactDataRequestList(ContactDataRequest... contactDataRequestList) {
        if (this.contactDataRequestList == null) {
            setContactDataRequestList(new java.util.ArrayList<ContactDataRequest>(contactDataRequestList.length));
        }
        for (ContactDataRequest ele : contactDataRequestList) {
            this.contactDataRequestList.add(ele);
        }
        return this;
    }
<p>
List of individual contact requests.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setContactDataRequestList(java.util.Collection)} or
{@link #withContactDataRequestList(java.util.Collection)} if you want to override the existing values.
</p>

@param contactDataRequestList
       List of individual contact requests.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/BatchPutContactRequest.java