Expense:
      properties:
        id:
          description: 'The expense hashed id'
          type: string
          example: 'Opnel5aKBz'
        user_id:
          description: 'The user hashed id'
          type: string
          example: 'Opnel5aKBz'
        assigned_user_id:
          description: 'The assigned user hashed id'
          type: string
          example: 'Opnel5aKBz'
        project_id:
          description: 'The associated project_id'
          type: string
          example: 'Opnel5aKBz'  
        client_id:
          description: 'The client hashed id'
          type: string
          example: 'Opnel5aKBz'
        invoice_id:
          description: 'The related invoice hashed id'
          type: string
          example: 'Opnel5aKBz'
        bank_id:
          description: 'The bank id related to this expense'
          type: string
          example: ''
        invoice_currency_id:
          description: 'The currency id of the related invoice'
          type: string
          example: '1'
        currency_id:
          description: 'The currency id of the expense'
          type: string
          example: '2'
        invoice_category_id:
          description: 'The invoice category id'
          type: string
          example: 'Opnel5aKBz'
        payment_type_id:
          description: 'The payment type id'
          type: string
          example: ''
        recurring_expense_id:
          description: 'The related recurring expense this expense was created from'
          type: string
          example: 'Opnel5aKBz'
        private_notes:
          description: 'The private notes of the expense'
          type: string
          example: ''
        public_notes:
          description: 'The public notes of the expense'
          type: string
          example: ''
        transaction_reference:
          description: 'The transaction references of the expense'
          type: string
          example: ''
        transcation_id:
          description: 'The transaction id of the expense'
          type: string
          example: ''
        custom_value1:
          description: 'A custom value'
          type: string
          example: ''
        custom_value2:
          description: 'A custom value'
          type: string
          example: ''
        custom_value3:
          description: 'A custom value'
          type: string
          example: ''
        custom_value4:
          description: 'A custom value'
          type: string
          example: ''
        tax_amount:
          description: 'The tax amount'
          type: number
          example: 10.00
        tax_name1:
          description: 'Tax Name 1'
          type: string
          example: 'GST'
        tax_name2:
          description: 'Tax Name 2'
          type: string
          example: 'VAT'
        tax_name3:
          description: 'Tax Name 3'
          type: string
          example: 'IVA'
        tax_rate1:
          description: 'Tax rate 1'
          type: number
          format: float
          example: '10.00'
        tax_rate2:
          description: 'Tax rate 2'
          type: number
          format: float
          example: '10.00'
        tax_rate3:
          description: 'Tax rate 3'
          type: number
          format: float
          example: '10.00'
        amount:
          description: 'The total expense amont'
          type: number
          format: float
          example: '10.00'
        foreign_amount:
          description: 'The total foreign amount of the expense'
          type: number
          format: float
          example: '10.00'
        exchange_rate:
          description: 'The exchange rate at the time of the expense'
          type: number
          format: float
          example: '0.80'
        date:
          description: 'The expense date format Y-m-d'
          type: string
          example: '2022-12-01'
        payment_date:
          description: 'The date of payment for the expense, format Y-m-d'
          type: string
          example: '2022-12-01'
        should_be_invoiced:
          description: 'Flag whether the expense should be invoiced'
          type: boolean
          example: true
        is_deleted:
          description: 'Boolean determining whether the expense has been deleted'
          type: boolean
          example: true
        invoice_documents:
          description: 'Passing the expense documents over to the invoice'
          type: boolean
          example: true
        updated_at:
          description: Timestamp
          type: number
          format: integer
          example: '1434342123'
        archived_at:
          description: Timestamp
          type: number
          format: integer
          example: '1434342123'
      type: object