How to put a door in a curtain wall in Revit
Replace one curtain panel with a compatible door, size its cell with grids and remove the bottom mullion. Check the same door in its plan tag and schedule.
Revit modeling guides for building elements. Put a door in a curtain wall: select the panel, load the right door family, then check the grid and the mullion around the opening.

Replace one curtain panel with a compatible door, size its cell with grids and remove the bottom mullion. Check the same door in its plan tag and schedule.