How to add custom filter to browser screen with dynamic attributes

Support
#1

Hi,
I want to add custom filter to the browser screen with dynamic attribute fields.
filter

But system gives me error like this

JpqlSyntaxException: Errors found for input jpql:[where e.+Company2Document=:filter_lkwMhDgPYJ10067]
CommonErrorNode [<unexpected: [@3,7:7=’.’,<68>,1:7], resync=e.+Company2Document=:filter_lkwMhDgPYJ10067>]

How can i add custom filters using dynamic attributes?
Can you help with this issue.

Thanks,
Nurmuhammad