Check out example codes for "coldfusion check if key exists and not empty". It will help you in understanding the concepts better.

Code Example 1

<cfset arrayOfStructs = deserializeJson(jsonJobsOpen)>
<cfloop array="#arrayOfStructs#" index="thisValue">
    <!--- Now you can use this condition to check for empty values --->
    <cfif StructKeyExists(thisValue, "JOBID") and Len(thisValue.JOBID) GT 0>
    ... 
</cfloop>

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