| Attribute | Description | Type | Required? | 
| refid | Sets the value of the refid attribute. | Reference | ? | 
| dynamic | Set whether to reevaluate the set everytime the set is used. Default is true. | boolean | ? | 
| negate | Set whether to negate results. If "true", all properties not selected by nested elements will be returned. Default is "false". | boolean | ? | 
| Attribute | Description | Type | Required | 
| name | Set the name. | String | ? | 
| builtin | Builtin property names - all, system or commandline. | String ["all", "system", "commandline"] | ? | 
| regex | Set the regular expression to use to filter the properties. | String | ? | 
| prefix | Set the prefix to use. | String | ? | 
| Attribute | Description | Type | Required | 
| refid | Sets the value of the refid attribute. | Reference | ? | 
| dynamic | Set whether to reevaluate the set everytime the set is used. Default is true. | boolean | ? | 
| negate | Set whether to negate results. If "true", all properties not selected by nested elements will be returned. Default is "false". | boolean | ? | 
| Attribute | Description | Type | Required | 
| classpath | Set the classpath to load the FileNameMapper through (attribute). | Path | ? | 
| classpathref | Set the classpath to load the FileNameMapper through via reference (attribute). | Reference | ? | 
| refid | Make this Mapper instance a reference to another Mapper. You must not set any other attribute if you make it a reference. | Reference | ? | 
| type | Set the type of FileNameMapperto use. | String ["identity", "flatten", "glob", "merge", "regexp", "package", "unpackage"] | ? | 
| classname | Set the class name of the FileNameMapper to use. | String | ? | 
| from | Set the argument to FileNameMapper.setFrom | String | ? | 
| to | Set the argument to FileNameMapper.setTo | String | ? |