expression
1. Description
The Expression Calculation Type is used to do airthmetic expressions on fields.
5. Screen Configuration

Here IntRate and IntBm is added and then assigned to IntSpread.
Click ⬇️ to download the sample data.
3. Required Fields
- name: Output Field Name.
 - data_type: Output Field Type.
 - derivation
- derivation_type: The calculation type used to derive this output field, which for expression is "EXPRESSION".
 - req_fields
- expr: Expression logic which needs to be appliied to derive the output value.