The “Extensions” folder is designed to contain extensions
integrated into the WSDL model, such as BPEL extensions. Each extension is
associated with a namespace which defines its structure.
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The namespace is a reference to an XML namespace. It is characterized by the following properties:
Example : xmlns:Prefix=" TargetNameSpace"
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An extension is a marker in the WSDL file whose structure is defined in a namespace that is different to the WSDL namespace. It is characterized by its namespace, its name and a set of properties whose value can be qualified or not.
Example : <Namespace:Name Property="Value"/>
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A Property is a property of an Extension. It is characterized by a name and a value. The value can be qualified if it depends on a namespace, or not qualified if this is not the case.
A Property is used to represent non-qualified values and a Typed Property to represent qualified values.
The BPEL extensions in the WSDL model are extensions predefined for the needs of BPEL models. This category includes extensions of the following types: PartnerLinkType, Property and PropertyAlias.