toDataParts
This action as the data parts of a user turn: the A2UI action message (DataPart.A2UI) and, when the surface asked for it, its data model (DataPart.A2UI_DATA_MODEL).
This action as the data parts of a user turn: the A2UI action message (DataPart.A2UI) and, when the surface asked for it, its data model (DataPart.A2UI_DATA_MODEL).