Before reading this post about "verifyConfirmation" and "assertConfirmation" Command example, you must have to look at other verification Command and Assertion Command examples. "verifyConfirmation" and "assertConfirmation" both are working with confirmation message generated during previous action by selenium IDE. Click here to read - difference between "assert" and "verify" in selenium with examples. Let me describe "verifyConfirmation" and "assertConfirmation" commands with examples.