Create Web Item with WebFragmentBuilder

Hi all,
I’m trying to create a new web item with the WebFragmentBuilder but it doesn’t work.
here is my code :
new WebFragmentBuilder(“web-item-key”, 20).id(“web-item-id”).label(“web-item-label”).title(“web-item-title”).webItem(“section”).url(“url”).build();

Any suggestion ?

Are you getting any errors?
Can you also share some documentation on WebFragmentBuilder?