public NotificationAction withEmailConfigurations(EmailConfiguration... emailConfigurations) {
        if (this.emailConfigurations == null) {
            setEmailConfigurations(new java.util.ArrayList<EmailConfiguration>(emailConfigurations.length));
        }
        for (EmailConfiguration ele : emailConfigurations) {
            this.emailConfigurations.add(ele);
        }
        return this;
    }
<p>
Contains the configuration information of email notifications.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setEmailConfigurations(java.util.Collection)} or {@link #withEmailConfigurations(java.util.Collection)}
if you want to override the existing values.
</p>

@param emailConfigurations
       Contains the configuration information of email notifications.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotevents/src/main/java/com/amazonaws/services/iotevents/model/NotificationAction.java