Defining formula expressions

  1. Select BPA Designer > Operations > Expressions.
  2. In the Document field, select the input business document for which to define an expression.
    For accounting framework integration, the list shows transactional document registrations. For a flexible output integration, both the master data and transactional document registrations are displayed.
  3. Click Add.
  4. Specify this information:
    Name
    Specify a unique name that identifies the expression. Valid characters are a–z, A–Z, and 0–9. The first character should be an uppercase letter. The maximum length is 20 characters.
    Type
    Select Formula.
    Note: A Statement field is displayed containing these controls:
    • Operand Types - possible values are Attribute, Expressions and Fixed Value.
    • Operators
    • Statement Control buttons - use these buttons to navigate and perform editing functions on the statement.
  5. Select the operand type. The displayed fields depend on the selected operand type.
    For Attribute argument:
    Mapping
    Select the document registration. This list is dynamic. For accounting framework integration, the list displays transactional document registrations. For a flexible output integration, both the master data and transactional document registrations are shown.
    Attribute
    Select the attribute. This list is dynamic. It displays the attributes with number data type associated to the selected document registration.
    For Expression argument:
    Name
    Select the expression. This list is dynamic. It displays existing formula, search template, and REST API expressions associated to the selected document. For search template expressions, only expressions returning a single result are displayed.
    For argument of type Fixed Value:
    Value
    Specify a fixed numeric value.
  6. Click Add.
  7. Before adding another operand, select an operator to specify an arithmetic operation.
    Note: Use parenthesis to group operands and operators, and to specify the order of computation.
  8. Click Save.