public EmailMessage withReplyToAddresses(String... replyToAddresses) {
        if (this.replyToAddresses == null) {
            setReplyToAddresses(new java.util.ArrayList<String>(replyToAddresses.length));
        }
        for (String ele : replyToAddresses) {
            this.replyToAddresses.add(ele);
        }
        return this;
    }
<p>
The reply-to email address(es) for the email message. If a recipient replies to the email, each reply-to address
receives the reply.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setReplyToAddresses(java.util.Collection)} or {@link #withReplyToAddresses(java.util.Collection)} if you
want to override the existing values.
</p>

@param replyToAddresses
       The reply-to email address(es) for the email message. If a recipient replies to the email, each reply-to
       address receives the reply.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/EmailMessage.java