public String getUserName() {
        return this.userName;
    }
<p>
The name of the user to get information about.
</p>
<p>
This parameter is optional. If it is not included, it defaults to the user making the request. This parameter
allows (through its <a href="http://wikipedia.org/wiki/regex">regex pattern</a>) a string of characters
consisting of upper and lowercase alphanumeric characters with no spaces. You can also include any of the
following characters: _+=,.@-
</p>

@return The name of the user to get information about.</p>
        <p>
        This parameter is optional. If it is not included, it defaults to the user making the request. This
        parameter allows (through its <a href="http://wikipedia.org/wiki/regex">regex pattern</a>) a string of
        characters consisting of upper and lowercase alphanumeric characters with no spaces. You can also include
        any of the following characters: _+=,.@-
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/GetUserRequest.java