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* * Complete XML Schema Reference Manual](#) * * * ## Definition and Usage The complexType element defines a complex type. A complex type element is an XML element that contains other elements and/or attributes. ### Element Information * **Parent Elements:** element, redefine, schema ### Syntax (annotation?,(simpleContent|complexContent|((group|all| choice|sequence)?,((attribute|attributeGroup)*,anyAttribute?)))) (The ? symbol indicates that the element may appear zero or one time, and the * symbol indicates that the element may appear zero or more times.) | Attribute | Description | | --- | --- | | id | Optional. Specifies a unique ID for the element. | | name | Optional. Specifies the name of the element. | | abstract | Optional. Specifies whether the complex type can be used in instance documents. If the value is true, the element cannot directly use this complex type but must use a derived complex type from it. Default value is false. | | mixed | Optional. Specifies whether character data is allowed between child elements of this complex type. Default value is false. * If the simpleContent element is a child, the mixed attribute is not allowed. * If the complexContent element is a child, the mixed attribute can be overridden by the mixed attribute of the complexContent element. | | block | Optional. Prevents complex types with specified derivation types from being used to substitute this complex type. The value can contain #all or a list that is a subset of extension or restriction: * extension - prevents complex types derived by extension from being used to substitute this complex type. * restriction - prevents complex types derived by restriction from being used to substitute this complex type. * #all - prevents all derived complex types from being used to substitute this complex type. | | final | Optional. Prevents specified types from being derived from this complexType element. The value can contain #all or a list that is a subset of extension or restriction. * extension - prevents derivation by extension. * restriction - prevents derivation by restriction. * #all - prevents all derivation (both extension and restriction). | | _any attributes_ | Optional. Specifies any other attributes with non-schema namespaces. | ### Example 1 The following example has a complex type element named "note": ### Example 2 The following example contains a complex type "fullpersoninfo", which extends the inherited type by adding three additional elements (address, city, and country), derived from another complex type "personinfo": In the above example, the "employee" element must contain the following elements in order: "firstname", "lastname", "address", "city", and "country". * * Complete XML Schema Reference Manual](#)