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 (specialty) | 0..* | Element | Specialty Extension | |
  extension (code) | ||||
  valueCoding | 1..1 | Coding | specialty-v1/code Extension Coding | |
| extension (cycle) | ||||
| valuePeriod | 1..1 | Period | specialty-v1/cycle Extension Period | |
 id | 0..1 | id | xml:id (or equivalent in JSON) | |
| extension | 0..* | Extension | Additional Content defined by implementations | |
 value[x] | 0..0 | * | ||
| Documentation for this format | ||||