topic You could use a decision… in Product Forum https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83791#M35022 You could use a decision stage at the start of your object page. If the input is empty, use a calculation stage to set the date to Today(), if not use the input.     Fri, 22 Mar 2019 17:21:00 GMT JeroenOosterhol 2019-03-22T17:21:00Z How do i define Optional Input Parameters for an Object ? https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83790#M35021  I am writing a logic to choose files greater than a certain date. But the default value for this input parameter should be Today(). Is there a way to do this ? -Saurabh (SOU-RUBH)   Fri, 22 Mar 2019 17:09:00 GMT https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83790#M35021 SaurabhPalkar 2019-03-22T17:09:00Z You could use a decision… https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83791#M35022 You could use a decision stage at the start of your object page. If the input is empty, use a calculation stage to set the date to Today(), if not use the input.     Fri, 22 Mar 2019 17:21:00 GMT https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83791#M35022 JeroenOosterhol 2019-03-22T17:21:00Z To add to Jeroen's… https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83792#M35023 To add to Jeroen's suggestion, if your input is a Date datatype instead of Text, you can use the IsDate() function in your decision stage to determine whether it's empty. Fri, 22 Mar 2019 17:30:00 GMT https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83792#M35023 david.l.morris 2019-03-22T17:30:00Z Thanks guys.   I was using… https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83793#M35024 Thanks guys.   I was using the Length of the variable ( as I could not find IsNull or IsEmpty functions). But now I will use the isDate function. thanks, Saurabh       Fri, 22 Mar 2019 17:46:00 GMT https://community.blueprism.com/t5/Product-Forum/How-do-i-define-Optional-Input-Parameters-for-an-Object/m-p/83793#M35024 SaurabhPalkar 2019-03-22T17:46:00Z