Inside you will findover 50 examplesof how to do various tasks with Collections. Each page contains code and a visual to show what the code is doing.
COPY + PASTEcode from the cookbook into your own app. Just change the Collection name and column names to match your own.
For a full listing of all 50 examples please go check out the app page at the link above. If you enjoyed the app and found it helpful consider giving it a Thumbs Up on the gallery (as opposed to this post).