hello guys, to consolidate my knowledge in rasa i’m developing a bot for a pizzeria. To collect order information, I am using the form. Since a pizza can have up to 4 different flavors, I created a list type slot to store them. When the user types the desired flavors, the form stores the list in the “tops” slot, but on the next iteration of the form the list elements just disappear, does anyone know what might be going on? here is the domain: forms: order_form: required_slots: tops: - entity: tops type: from_entity size: - entity: size type: from_entity border: - type: from_text entities: - border - drink - size - tops slots: salutation: type: text influence_conversation: true tops: type: list influence_conversation: true requested_slot: type: any influence_conversation: false here is the “tops” validation: def validate_tops( self, slot_value: Any, dispatcher: CollectingDispatcher, tracker: Tracker, domain: DomainDict, ) -> Dict[Text, Any]: """Validate `pizza_type` value.""" if len(slot_value) == 0: return {"tops": None} if len(slot_value) > 4: dispatcher.utter_message(text=f"Desculpe, só servimos pizzas de até 4 sabores") return {"tops": None} for top in slot_value: if top.lower() not in ALLOWED_PIZZA_TOPS: dispatcher.utter_message(text=f"Desculpe, não temos a opção { top }, você pode escolher entre {'/'.join(ALLOWED_PIZZA_TOPS)}.") return {"tops": None} dispatcher.utter_message(text=f"Ok! uma pizza de {'/'.join(slot_value)}.") return {"tops": slot_value}```

Problem with slot list in forms

Gehova (Gehová López) September 24, 2021, 4:37pm 3

Yes, I had the same problem. The list is override with an empty one. Check this thread.

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