| Attributes |
| Name | Required | Request-time | Type | Description |
| locale | false | false | java.lang.String | Locale to use for locale-sensitive conversions. If not specified, the Locale for the current view is used. |
| message | false | false | java.lang.String | Error message template for reporting conversion errors. If not specified, the default value from either the application message resource bundle, or the default resource bundle, will be used. |
| pattern | false | false | java.lang.String | Number format pattern string (see javadocs for java.text.DecimalFormat for details) to use for conversion. If not specified, no pattern is used. |