type: object
required:
  - sessions
properties:
  sessions:
    description: >-
      An array of payment sessions related to the Payment Collection. If the
      session_id is not provided, existing sessions not present will be deleted
      and the provided ones will be created.
    type: array
    items:
      type: object
      required:
        - provider_id
        - amount
      properties:
        provider_id:
          type: string
          description: The ID of the Payment Provider.
        amount:
          type: integer
          description: The amount .
        session_id:
          type: string
          description: The ID of the Payment Session to be updated.