How to generate new rows in another table

Hello, I have a invoices table with all my invoices. Some of them are recurrent revenue. For these recurrent invoices, I would like to generate a new row in another table for each month linked to the invoice.
Exemple : I add a new recurring invoice for 99€ between January and March 2020. I would like to automatically add 3 rows of 33€ in another table for the months of January, February and March.
Thank’s for your help

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