Im trying to create a table using Input Parameters to filter the data. And this input parameter should be optional, when there is no input, the query should select all records. But Input Parameters on Story Reports does not allow Blank values whe...

accourding to this guide, "You can use other column values, functions, INPUT PARAMETERS, expression." Can you tell me how to correctly use the created input parameter in the expression when creating a calculated field? This is my input paramet...