Parent: $root.$components
Children
| Object specific | |
| $constprefix | Strings used as a prefix for all constants within the external |
| $controlhandler | Returns true if the component is a control handler |
| $eventhandler | Returns true if the component is an event handler |
| $flags | Indicates the flags of the external component library |
| $functionname | The name of the external function |
| $pathname | The pathname of the file containing the object |
| $usage | Current number of controls that are using this external |
| Standard | $name $version |
| $cmd | $cmd(...) issues a component specific command to an external component |
| $controls |