Hello there; For composite flooring, the reinforcement of the concrete part is made and drawn with the mesh reinforcement that you choose from the settings. In short, you can find the details in the drawings. There are details in the composite beam reports in the composite account, but if you wish to convince, there are data such as the neutral axis calculation and concrete thickness used in the calculation in the steel design - composite beam - details section on the screen where you examine the designs of the composite beams on the program screen, you can add them to the report by taking a screenshot from there. If you enter only concrete slab, the program transfers the loads on the steel and performs the design of the steel elements under these loads. However, for the calculation of the slab, you need to make a simple calculation on the slab and determine the reinforcements, the program does not give any results for this situation. Good work.