Spot elevation in a section view every start and end of top profile floor

Hi everybody!

I’m new here, and I’m learning to use dynamo.

I need put a spot elevation in a section view every start and end of profile floor, i have 700 sections of a urban planning corridor.

I trying with a node create annotated tag, but not have solution,
or if there is a way to fix it

I attached an image of how it should look (I did it manually)
I attached an image of the Node with “create annotated tag”
I attached the node and rvt file

please, thanks for help me!!!

SPOT ELEVATION AT SECTIONS.rvt
NodeTagElevation.dyn