Anagha

Hello How can I associate new simple products to an existing magento configurable product via Magmi.The configurable product already has some simple products associated to it and I want to associate several more simple products but instead magmi is deleting all previously associated products and only leaves newly associated products. Example of my csv layout : sku,simples_skus,configurable_attributes,type 5078940494,"59959,57859","color,size",configurable In magento I already have 4 simple product...