In Structural ribbon after clicking on the ‘Deck’ tab ‘Place Deck’ window option came up. There it can be found that options under ‘Steel Deck Properties’ are greyed out.
In the ‘Place Deck’ window under the ‘Steel Deck’ section go to ‘Kind’. There you can see that chosen option is ‘Table’.
Then click on ‘Table’ and then from the dropdown select ‘Standard’ option,
After that, you can find the ‘Steel Deck Properties’ which are greyed out before now are available for edit.
Here you can add the value as per your requirement.