How to setup flash_args

Hello everyone, is it possible to configure the flash_args via platform.ini?

I want to upload a spiffs.bin to the flash of a esp32 but everytime when I try to upload it, it ignores the spiffs.binary.

I’ve already tried to maually reconfigure the flash_args with additional entrys for the spiffs binary but everytime i upload it, platformIO resets the files.

My partitions.csv: