Show Cases that were not Assigned within 30 Minutes from Time the Case was Created

Create Case search by :

1. Navigating to List > Search > Saved Searches > New > Select Case

2. On the Criteria tab add the following:

Filter	Description	Formula
System Notes : Old Value	is empty
System Notes : Field	is Assigned
System Notes : New Value	is not empty
Formula (Numeric)	is greater than 0.50	TO_NUMBER(ROUND(({systemnotes.date}-{createddate})*24,2))

On the Results tab show the actual duration by adding:

Field	Function
Formula (Numeric)	Number as Time	ROUND(({systemnotes.date}-{createddate})*24,2)