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→Attribute Functions
=Attribute Functions=
==request:attribute-names== {{Mark|Introduced with BaseX 9.3:}}
{| width='100%'
|-
| width='120' | '''Signatures'''
|{{Func|request:attribute-names|$name as xs:string|xs:string*}}
|-
| '''Summary'''
|Returns the value names of an attribute of the all HTTP request. If the attribute does not exist, an empty sequence is returned.|-| '''Example'''|* {{Code|request:attribute("javax.servlet.error.request_uri")}} returns the original URI of a caught error.* {{Code|request:attribute("javax.servlet.error.message")}} returns the error message of a caught errorattributes.
|}
==request:attribute-names==
{{Mark|Introduced Updated with BaseX 9.3:}}return type generalized, default argument added.
{| width='100%'
|-
| width='120' | '''Signatures'''
|{{Func|request:attribute-names|$name as xs:string|item()*}}, {{Func|request:attribute|$name as xs:string, $default as item()*|item()*}}
|-
| '''Summary'''
|Returns the names value of all an attribute of the HTTP request attributes. If the attribute does not exist, an empty sequence or the optionally specified default value is returned instead.|-| '''Example'''|* {{Code|request:attribute("javax.servlet.error.request_uri")}} returns the original URI of a caught error.* {{Code|request:attribute("javax.servlet.error.message")}} returns the error message of a caught error.
|}
