Can i fill the input of DFF and take the value and replace it in the Account

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Hi,

I currently have two inputs which are Flexfields, I need the value entered in these inputs to be reflected within the Account. As in the image below, there are business and activity Flexfields, when they are filled I want to take their value and insert it into the Account, is this possible? Would it be possible to do this via Groovy? or something like that can retrieve these values?

thanks!