Unlike string variables that can be compared with null, Nintex doesn’t provides enough conditions to check if a date field is empty or not.
So, when there is a situation when you need to check if the date field contains a date or not, you are left clueless.
So, let us have a look how to tackle this.
Insert an action ‘Convert Value’ from Operations category and configure it as below
Input the value 1/1/0001
and save the result in workflow variable ‘dtEmptyDate’ which is a date time variable (default date blank).
Once done, insert the condition action and compare your date field with this variable.
This will return the result yes or no depending if the due date is not empty or empty. Now you can put your logic depending on the output.
So, the flow will be