The <systemService> element is a child of the <component> element and is used to declare a system service backed by the containing component. This element may not be used with the <componentType> element. When the <systemService> element is used in a <component> element, a component is loaded and a <systemServiceRef> that references that component is created. The name of the system service is prefixed with the plug-in name when the system service is created in the system.
The <systemService> element has two attributes:
name – The name of the system service
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.