User`s guide

componentinfo
6-3
With a component name and major revision supplied, the function returns
information for revision 1.0 of
mycomponent.
Example 2.
Info = componentinfo('mycomponent')
With a component name but no major revision supplied, the function returns
information for all revisions of
mycomponent.
Example 3.
Info = componentinfo
Without any arguments supplied, the function returns information for all
installed components.