The <allDependants> element identifies the set of installed components that have a declared dependency on the calling component, which was created by <createDependency>. Only steps in components can use this targeter.
The <allDependants> element can be used as a targeter for the <call>, <uninstall>, and <addSnapshot> steps.
This targeter functions similarly to the <addNestedRefs> targeter in that it causes the containing step to be mapped over all of the matching components. The order of the mapping over the dependent components is unspecified.
The <allDependants> targeter has one required attribute of type identifier, name, which is the name of a dependency that is created on this component by other components.