# XML Schema Documentation

### Complex Type: AccountId

#### [Table of contents]

Super-types: | xsd:normalizedString < Scheme (by restriction) < AccountId (by extension)
Sub-types: | None

Name | AccountId
Used by (from the same schema document) | Complex Type Account
Abstract | no
Documentation | The data type used for party identifiers.

XML Instance Representation
<...
accountIdScheme=" xsd:anyURI [0..1]

'The identifier scheme used with this accountId. A unique URI to determine the authoritative issuer of these identifiers.'

">
Scheme
</...>
Diagram
Schema Component Representation
<xsd:complexType name="AccountId">
<xsd:simpleContent>
<xsd:extension base=" Scheme ">
<xsd:attribute name="accountIdScheme" type=" xsd:anyURI "/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>