Blank report\no Header if no data from SQL

[NKMM]

Hello experts , 

Wei need to generate PDF report with Header with Report name and   given input parameter like from date, to date  and  data  in details section 

if no data found then we need only header with input param values and details section as blank / "No cahnges "

If data populated then report generated as expected 

but if there is no data from SQL then we are getting blank report seeking your help on this 

My Workflow is as below 

user interface ( date parameters ) --> input date ( connect Postgres DB) -->  Join & preparation tools -> Convert tool -> basic table  -> report text --> render  ( PDF)

Thanks in advance,

NKMM

[geraldo · Accepted solution]

@NKMM 

Here is an example workflow on how to test and generate a blank report.
the header with the interface data remains hanging

the filter tool is configured to not generate data, change it to 1=1 to generate data for testing