Explain the following configuration

apiVersion: argoproj.io/v1alpha1
kind: AnalysisTemplate
metadata:
  name: success-rate
spec:
  args:
  - name: service-name
  metrics:
  - name: success-rate
    interval: 4m
    count: 3
    successCondition: result[0] >= 0.90
    provider:
      prometheus:
        address: http:/some-prometheus-instance:80
        query: sum(response_status{app="{{args.service-name}}",role="canary",status=~"2.*"})/sum(response_status{app="{{args.service-name}}",role="canary"}