Best approach to auto assign to particular group

[pramn]

Hi Team , 

We have Created a new catalog Item , what is the approach to when user submit the form from portal , it should assign to Particular group 

do we have any option or we need to create Flow designer ?

Thanks for your help 

[Ankur Bawiskar]

@pramn 

Did you get a chance to check on my above response?

Do let me know if any help required in above approach