Change field value

Hello everybody,

I have my problems with brf+ 😔 hope you can help me 😊 I would like to change a field value during the workflow (UAM). We use the SNC field and I would like to create the value for this field per BRF+. I created the formula for the snc creation but how can get this created value now in the request?

hope someone can help me

thanks in advance & regards

christoph