I want to add a paramter of number type({?PmAmount}) and wanted to make it optional. I don't want to place any default value. I am also using range type in this parameter( for minAmount and Max Amount) with no default value

 

I tried one option

 

(If
 IsNull({?PmAmountThen
True
Else
{XXID_CHURCH_ERDM_ORG_DIS_V.AMOUNT} = {?PmAmount})

 

but its not working...

Please help me on this. This is very very urjent

Anup