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03-17-2025 11:28 PM
Hi ,
i have got a requirement below to create reports in percentage using indicator in performance Analytics, they have provided below calculation . can you please tell me whether below requirement is possible to do or not. We need to achieve using SLA Table.
1. Response SLA – The response SLA is the percentage of incidents responded within the agreed SLA timeframe to the overall incidents handled by the group.
Hence, to calculate this for Database -L1
Formula for calculation:
Response SLA %= (Total number of incidents responded within the SLA timeframe)*100 / (Total number of incidents handled by Database -L1)
Please note : the denominator Incidents handled should include all the incidents where Database -L1 was the first assignment group, not necessarily be the resolver group.
2. Resolution SLA – The response SLA is the percentage of incidents resolved within the agreed SLA timeframe to the overall incidents resolved by the group.
Formula for calculation:
Resolution SLA %= (Total number of incidents resolved within the SLA timeframe)*100 / (Total number of incidents resolved by Database -L1)
3. First Call Resolution (FCR) – FCR measures how many incident were resolved on the first contact.
Formula for calculation:
FCR% = (Total number of incidents resolved on the first contact by Support L1)*100 / ( Total number of incidents handled by Database -L1 as the first assignment group)
Please note: the denominator Incidents handled should include all the incidents where Database -L1 was the first assignment group, not necessarily be the resolver group.
Solved! Go to Solution.

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04-04-2025 12:29 PM
For your SLA by assignment group requirement, ensure you have the SLA breadowns plugin installed and add the breakdown to the SLA definitions you wish to have a breakdown of time-taken
Information will then be available in sla_breakdown_by_assignment and attribute the duration of an SLA to each assignment group.
For your response SLA, you're going to want to keep attaching SLAs on each re-assignment
https://www.servicenow.com/docs/csh?topicname=c_SLAProcessing.html&version=latest <- Understand how SLA conditions are evaluated
- Specifically, we want the restart and start condition to be true to attach a new SLA
I created the following SLA
As for the results: A new Incident Group Response SLA is attached for each assignment group change.
And because assignment group breakdown is enabled, within the Task SLA record there is a related list for the group
Or another view of the data

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03-18-2025 08:53 AM
Yes this is possible. I would alter your Response and FCR to be generic and then use the breakdown option to filter based on assignment group. This way it works across the entire platform and not just Database L1.
OOB you can review the following indicators to help
- % of incidents resolved by first assigned group
- % of incidents resolved within SLA
The existing 'Benchmark: % of incidents resolved within SLA' would cover your Resolution SLA requirement. You'd need to add the breakdown and re-fetch the data
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03-20-2025 04:45 AM
Hi Kieran,
Currently we are using SLA Definition based on Priority based.
When initially it was assigned to some group, Response and Resolution SLA will be attached , when assigned to some user , response SLA will be achieved.
When routed to some other group. New Response SLA will be attached and old Resolution SLA Continues , the assignment group field in Task SLA is getting changed to new routed assignment group for the new Response , old Resolution SLA and already previous achieved response SLA.
Because of this , we are not able to calculate the achievement done by First assignment group member. On change of Assignment Group in incident, Task SLA Assignment group field also getting changed. Reassignment count also changes.

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03-21-2025 04:46 AM
Is the assignment group field a custom field you've added to task_sla. I'm not aware of that being a field OOB
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03-24-2025 02:25 AM
Hi Kieran,
Assignment group is not a custom field , it is dot-walked to task table.