Revit Structure - Structural Floor system

This video show you How to drawing structural floors systems in Autodesk Revit
Use the structural floor tool to add structural floors to a building model.
About Structural Floors
You create structural floors by defining their boundaries, either by picking walls or using drawing tools.
Create a Structural Floor
Create a structural floor by selecting support framing, walls, or by sketching the extent of the floor.
Add a Cantilever to a Structural Floor
Add cantilever offsets by editing the boundary sketch of the structural floor.
Add a Floor Span Direction Symbol
You can reapply a floor span direction symbol if it has been removed from the structural floor.
Specify the Span Direction of a Structural Floor
Use the floor span direction symbol to change the orientation of the steel deck.
Change the Profile of a Composite Deck
Adjust the deck profile to better conform to as-built documentation requirements.
About Sloped Structural Floors
Use sloped surface tools to edit a structural floor.
Add an Opening in a Structural Floor
Use openings to allow for shafts and ramps between levels.
Add a Drop Panel to a Structural Floor
Add drop panels to reinforce a structural floor at column locations
Structural Floor Instance Properties
Modify instance properties to change a structural floor's level, height offset, slope, and more.
Structural Floor Analysis Properties
Modify the analytical properties of the structural floor to accommodate structural analysis tools and procedures.
Structural Floor Type Properties
Modify type properties to change a structural floor's structure, default thickness, function, and more.