This is to emphasize the words that follow. "Listen! This is what I am going to do:" or "Because of what Yahweh has done for me, this is what I am going to do:"
The word "name" is a metonym for the person. Alternate translation: "where Yahweh my God will live ... where I will live" (See: [[rc://en/ta/man/jit/figs-metonymy]])