Dear Ainura,
You may consider to create a cash flow transaction, with product category 540, there you can easily create expected flows.
Another option is to create the decrease flow in capital change structure, the indicator "Accrued Int. Calc. with Capitial Reduction" needs to be set for the decrease flow. Please see the online help below:
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Example
Money Market area:
An early repayment including pro rata
interest is made within the term of a fixed-term deposit transaction. Under
normal circumstances, this has no influence on the frequency of the interest
payment dates; that is to say, no separate interest rate flow is generated for
the repayment. If a change in the nominal amount (SBKKLAS = “1” and SBKTYP =
“11”) carries the indicator, an interest calculation occurs, which is similar to
the accrued interest determination (plus accrued interest) in security
transactions.
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Best regards,
Jasmine