# group_by=(\'parent_uid\', ), # The limit is not applied on the number of payment transactions, but on the number of lines (to simplify setting aggregate relation).\n
# group_by=(\'parent_uid\', ), # The limit is not applied on the number of payment transactions, but on the number of lines (to simplify setting aggregate relation).\n
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# we have \'aggregate/payment_transaction_module/xxx\' in sub_variation_text if the line is already grouped.\n
# we have \'aggregate/payment_transaction_module/xxx\' in sub_variation_text if the line is already grouped.\n