Tag valueHolder

(must evaluate to boolean)

The "hidden" flag is used to identify features that are intended only for tool use, and which should not be exposed to humans.

(must evaluate to java.lang.String)

The value of this attribute maps back to the "for" attribute on an attachable object nested within a composite component. If the "targets" attribute is not specified, this value also represents the component ID of the target component within the that the <composite:implementation> ActionListener should be mapped to.

(must evaluate to java.lang.String)

If present, this must be a space (not tab) separated list of client ids (relative to the top level component) of components within the <composite:implementation> section. Space is used as the delimiter for compatibility with the IDREFS and NMTOKENS data types from the XML Schema.