In order to achieve the full potential of the SLA Timer Add-on a few Add-on concepts must be explained.
SLA
Schedule
SLA Values
The SLA Values are the values the Add-on stores for an issue.
These are
sla. A string value - The id of the current or or last used SLA
slaon. A string value (true/false) - Whether or not the issue is in scope of a SLA.
slaname. A String value - The name of the current or last used SLA.
slatime. A number value - The SLA Target time.
time. A number value - The Time Spent.
status. A string value - The id of the current SLA Status.
dateISO. A date (string) value - The time and date of when SLA Values was updated by the Add-on
etaISO. A date (string) value - The time and date of when the issue should be completed with current SLA. That is the Target Date.
frStatus. A string value - The id of the current First Response Status. Possible values are AHEAD, BEHIND, OK and DELAYED.
Overdue - Issue overdue
An issue is considered overdue if the SLA Percent is greather or equals to 100 %.
...