INSTALLMENT_FILTERS

Type: array of filter objects Default: [] (empty array) Validator: InstallmentFiltersSerializer Description: Filters that restrict which installment options are available to users.

Each filter object has the following structure:

• klass: Filter class path (string from InstallmentFilterType enum, required)

• kwargs: Filter parameters (dictionary, required)

Filter evaluation:

• Applied sequentially in array order during InstallmentService.filter_installments()

• Each filter receives the basket, installments list, and additional context (currency, user_email)

• Filters can remove installment options based on their criteria

• If a filter returns final=true, no further filters are processed

• Messages from filters are collected and returned to inform the user

Used in: InstallmentSelectionPage via InstallmentService.get_pre_order_installments() to filter available installments