Contains add-in function configuration. Describes one parameter. Specifies the user-visible name of the parameter. Specifies a description of the parameter. Describes one function. Specifies the user-visible name of the function. Specifies a description of the function. Specifies the programmatic name of the category the function belongs to. Specifies the user-visible name of the category the function belongs to. Specifies a localized function name for exchange with other applications. Specifies the function's parameters. Describes one add-in component. Specifies the component's functions. Specifies the installed add-in components.