Yes, add each property separately in the program.
In your open return, type 'casualty loss' in the search box then select the 'jump to' link. Proceed with the interview.
For your home, enter the date acquired, cost basis and insurance reimbursement, Fair Market Value (FMV) before the flood and FMV after the loss.
Continue to the summary page, then select the 'Add a property' link for the next item(s) you wish to claim a loss for (contents). Group in categories: clothing, electronics, etc.
See IRS links below for reference:
https://www.irs.gov/taxtopics/tc515
https://www.irs.gov/newsroom/top-10-tips-for-deducting-losses-from-a-disaster
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