Cannot find the required key "mappings ' after l want to ask user name and phone number

[Tanaka]

Here is the errors .I want to build ask the user name and phone number .But after l run keeps showing the error cannot find the required key mappings .lm using rasa version 3.0

[ChrisRahme (Chris Rahmé)]

Look at the correct syntax to define slots in Rasa 3.x:

Domain

Example:

slots:
  slot_name:
    type: text
    mappings:
    - type: from_entity
      entity: entity_name