User-defined slots

Define a static list of values expected in the input

$(SLOTNAME value1|value2) => p.SLOTNAME.value

Provide labels to classify or identify the slot values

$(SLOTNAME value1~label1|value2~label2) => p.SLOTNAME.label

Enable fuzzy matching to capture similar variants

$(SLOTNAME~ value1|value2) => p.SLOTNAME.value

Make a slot optional

$(SLOTNAME value1|value2|)

Capture several slot values

intent('$(SLOTNAME value1|value2) and $(SLOTNAME value1|value2 )') => p.SLOTNAME\_ (array), p.SLOTNAME\_[0].value, p.SLOTNAME\_[1].value