type TestDocument struct {
	Title string
	Note string
}

...

var timeout = time.Duration(500 * time.Millisecond)
conn, err := couchdb.NewConnection("127.0.0.1",5984,timeout)
auth := couchdb.BasicAuth{Username: "user", Password: "password" }
db := conn.SelectDB("myDatabase", &auth)

theDoc := TestDocument{
	Title: "My Document",
	Note: "This is a note",
}

theId := genUuid() //use whatever method you like to generate a uuid
//The third argument here would be a revision, if you were updating an existing document
rev, err := db.Save(theDoc, theId, "")  
//If all is well, rev should contain the revision of the newly created
//or updated Document