The Time To Resolution custom field is used in the Jira Service Management Dashboard template. It's crucial to ensure that the field is named exactly as specified.
To create this SLA, please follow the instructions provided below.
Go to Project Settings > SLAs. Click Add SLA.
Name the SLA Time to resolution, and enter the settings such as Time Goal, Calendar, Issues to display, Conditions, etc.
Check all settings and click Save. By doing so, a custom field named "Time_to_resolution_<id>" will be generated. This field will be automatically selected in the data source when creating the Jira Service Management Dashboard template.