Hi @dereksparkeswindowcl, thanks for your message.
If we understood your request right, you want the order number of each marker. In this case, as usually, each marker is a thing registered within a data type, so to attribute a order number to each marker (and sort them later) you can use the advice mentioned here:
Hope this will help. If there is anything else that we can help with, or the question was not understood correctly, please let us know.
Regards,
Zeroqode Support Team