INTERFACE {{p}}if_expense_claim PUBLIC.
  TYPES ty_amount      TYPE p LENGTH 8 DECIMALS 2.
  TYPES ty_currency    TYPE c LENGTH 3.
  TYPES ty_cost_center TYPE c LENGTH 10.

  TYPES:
    BEGIN OF ty_claim,
      amount      TYPE ty_amount,
      currency    TYPE ty_currency,
      claim_date  TYPE d,
      cost_center TYPE ty_cost_center,
      has_receipt TYPE abap_bool,
    END OF ty_claim.
ENDINTERFACE.