ClientOpt := options.Client().ApplyURI("some address")
Client,err := mongo.Connect(context.TODO(),ClientOpt)
if err!=nil {
    panic(err)
}
collection:=Client.Database("something").Collection("another")
Obj1 := SomeObj{}
res,error:=collection.InsertOne(context.TODO(),Obj1)
if error!=nil {
    panic(error)
}