Converting fields from Forms to CDS

Hi,

I'm making a solution where I get information with Forms and insert it into a CDS through a flow. I have an immersive business process flow that I have generated with fields of different types like phone, numbers, e-mail and so on. 

My question is: how do I get the fields from the form to get into these different fields? I get errormessage as soon as the CDS field is different from a simple text field.