public DisableUserRequest withUserName(String userName) {
        setUserName(userName);
        return this;
    }
<p>
The email address of the user.
</p>
<note>
<p>
Users' email addresses are case-sensitive.
</p>
</note>

@param userName
       The email address of the user.</p> <note>
       <p>
       Users' email addresses are case-sensitive.
       </p>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-appstream/src/main/java/com/amazonaws/services/appstream/model/DisableUserRequest.java