Hi Udit,
If you are looking for all of the records that are WITHIN 30 days of Today use the action Filter Collection with the following inputs
Collection In: [Collection name in square brackets]
Filter: "[Date] >'"&AddDays(Today(),-30)&"'"
The popup issue you are seeing is because you used a semicolon ';' when you should be using a comma ','
If you are looking to exclude those over 30 days away (both in the future and past) you will need to do this twice with the first collection removing the dates more than 30 days ago:
Filter: "[Date] >'"&AddDays(Today(),-30)&"'"
And the second one removing all cases that are more than 30 days in the future
Filter: "[Date] <'"&AddDays(Today(),30)&"'"
Hope this helps!
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Ronan Considine
Business Automation Lead
Blue Prism
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Ronan Considine
Senior Business Analyst
Blue Prism