FQL is a query language that allows you to retrieve, filter and project data from any data source containing FHIR Resources. It brings the power of three existing languages together: SQL, JSON and FhirPath. It allows you to create tables and is useful for gaining insight and perform quality control.
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Extension | Extension for Timing to indicate the time of event within a day | |||
  extension (when) | 1..1 | Extension | Specifies the timing of event within a day | |
   value[x] | time, code, Period | Binding: (unbound) (required) | ||
| extension (offset) | ..1 | Extension | Duration offset in minutes from the life event | |
 valueInteger | integer | |||
| value[x] | ..0 | |||
| Documentation for this format | ||||