---
type: object
properties:
  agreement_id:
    type: integer
    description: Internal agreement identifier
  user_id:
    type: integer
    description: Internal patron identifier
  role:
    description: role of the user
    type:
      - string
  patron:
    type:
      - object
      - "null"
additionalProperties: false
required:
  - user_id
  - role