| Attributes | 
| Name | Required | Request-time | Type | Description | 
| schemes | false | false | javax.el.ValueExpression(must evaluate to
 java.lang.String) | CSV values that indicates the set of schemes to check this url.
 
 If allowAllSchemas = true, the values of this field are ignored.
 If no schemes are provided, default to this set ("http", "https", "ftp"). | 
| allow2Slashes | false | false | javax.el.ValueExpression(must evaluate to
 boolean) | Allow two slashes in the path component of the URL. | 
| allowAllSchemas | false | false | javax.el.ValueExpression(must evaluate to
 boolean) | Allows all validly formatted schemes to pass validation instead of 
 supplying a set of valid schemes. | 
| summaryMessage | false | false | javax.el.ValueExpression(must evaluate to
 java.lang.String) | alternate validation error summary message format string | 
| message | false | false | javax.el.ValueExpression(must evaluate to
 java.lang.String) | alternate validation error detail message format string 
(use 'message' and 'detailMessage' alternatively) | 
| detailMessage | false | false | javax.el.ValueExpression(must evaluate to
 java.lang.String) | alternate validation error detail message format string 
(use 'message' and 'detailMessage' alternatively) |