public String getDashboardNamePrefix() {
        return this.dashboardNamePrefix;
    }
<p>
If you specify this parameter, only the dashboards with names starting with the specified string are listed. The
maximum length is 255, and valid characters are A-Z, a-z, 0-9, ".", "-", and "_".
</p>

@return If you specify this parameter, only the dashboards with names starting with the specified string are
        listed. The maximum length is 255, and valid characters are A-Z, a-z, 0-9, ".", "-", and "_".
aws-java-sdk-cloudwatch/src/main/java/com/amazonaws/services/cloudwatch/model/ListDashboardsRequest.java