Is there a widget for dynamic number of input lines

I wish to have a form where users can register multi-lines for partecipant person. Any row with some fields (name-surname-email-and so). Filled a line, I wish user can pul a botton "Add Person", an then have a new line to fill.

Thanks 

This is possible with Configurable List, Infinite List and Matrix Dynamique widgets.

There is also a guide about Configurable List widget which support different field types.

How to Set Up the Configurable List Widget

If you need any further assistance, please let us know.