The handle of an item of the list List, reached from Host: its
definition's handle (a union for a table of variants, told apart by id)
with the one data field it shows on its top level — the identity key the
list declares (messages[0].item_id). The rest of what it shows is under
data; its raw is the node the list's source points to, undefined by
type for a list declared with noItemNodes.
The handle of an item of the list
List, reached fromHost: its definition's handle (a union for a table of variants, told apart byid) with the one data field it shows on its top level — the identity key the list declares (messages[0].item_id). The rest of what it shows is underdata; itsrawis the node the list'ssourcepoints to,undefinedby type for a list declared withnoItemNodes.