A targetable-component references variables that are associated with a targetable component and is similar to the <targetableComponent> targeter. See Installed Component Targeters in N1 Grid Service Provisioning System 5.0 XML Schema Reference Guide.
targetable-component has the following syntax:
targetableComponent
targetableComponent(host-redirect)
host-redirect is the name of a component targeting host. If unspecified, the host on which the plan is currently executing is used. These constructs resolve to the targetable component that is associated with a particular component targeting host. See Host Redirects.