Maps to a UML Attribute with the stereotype XSDany or XSDanyAttribute.

maxOccurs - to multiplicity upper range. The unbounded value maps to an asterisk in UML.

minOccurs – to multiplicity lower range.

annotation maps to Attribute documentation.

Other properties map to TaggedValues.

any and anyAttribute XML representation summary
<any
	id = ID
	maxOccurs = (nonNegativeInteger | unbounded) : 1
	minOccurs = nonNegativeInteger : 1
	namespace = ((##any | ##other)| List of (anyURI | (##targetNamespace |
##local)) ) : ##any 
processContents = (lax | skip | strict) : strict
	{any attributes with non-schema namespace…}>
	Content: (annotation?)
</any>
<anyAttribute
	id = ID
	namespace = ((##any | ##other) | List of (anyURI | (##targetNamespace |
##local)) ) : ##any
	processContents = (lax | skip | strict) : strict
	{any attributes with non-schema namespace…}>
	Content: (annotation?)
</anyAttribute>
XML representations of the four basic types of wildcard
<xs:any processContents = "skip"/>
<xs:any namespace = "##other" processContents="lax"/>
<xs:any namespace = "http://www.w3.org/1999/XSL/Transform"/>
<xs:any namespace = "##targetNamespace"/>
<xs:anyAttribute namespace = "http://www.w3.org/XML/1998/namespace"/>
any and anyAttribute UML model example.
any and anyAttribute XML code sample
<?xml version='1.0' encoding='Cp1252'?>

<xs:schema xmlns:nm = "http://nomagic.com" xmlns:xs = "http://www.w3.org/2001/XMLSchema" targetNamespace = "http://nomagic.com">
	<xs:group name = "my_type" >
<xs:choice>
			<xs:any id = "anyID" namespace = "http://bla" processContents = "strict" minOccurs = "0" maxOccurs = "1" >
				<xs:annotation>
<xs:documentation>any documentation</xs:documentation>
				</xs:annotation>
</xs:any>
		</xs:choice>
	</xs:group>
	<xs:attributeGroup name = "attr_group">
		<xs:anyAttribute id = "anyID" namespace = "http:\bla.bla.bla" processContents = "skip">
			<xs:annotation>
				<xs:documentation>any attribute documentation</xs:documentation>
			</xs:annotation>
		</xs:anyAttribute>
	</xs:attributeGroup>
</xs:schema>