Parameter Date

hello,I call that the parameter dataset via @ DataDe === CDate (Format (DateAdd ("d", -1, now ()), "dd / MM / yyyy 1:00"))So far so good, now wanted to know the same parameter but a year ago, so I wanted to use so= CDate (Format (DateAdd ("d", -365, now ()), "dd / MM / yyyy 1:00"))instead he wanted to put it this way= CDate (Format (DateAdd ("d", -365, now ()), @ DataDe))But how to do this?