The <componentType> element has five attributes:
name – The name of the component type.
A name has a maximum of 64 characters. The name must start with a letter or underscore, followed by any number of letters, digits, or special characters, such as underscore (_), period (.), plus (+), minus (-), and space ( ). Unicode letters and digits are permitted.
description – An optional description of the component type.
group – The group name of the component type.
order – A number that identifies where to put this component type.
indentLevel – A number between 0 and 10 that identifies the level to which to indent this component type in a hierarchy of component types.