complexType « XML Schema « XML Tutorial

3.56.1.Defining Complex Types
3.56.2.To declare an empty content model in a definition
3.56.3.Content Models
3.56.4.Complex type with sequence
3.56.5.Defining Elements to Contain Only Elements
3.56.6.Defining Elements with Mixed Content
3.56.7.Build complexType with complexType
3.56.8.Complex type for element with child elements and attribute
3.56.9.When an element contains both child elements and character data, it follows the mixed content model