{
  "resourceType" : "Flag",
  "identifier" : [" Identifier "], 
  "category" : " CodeableConcept ", 
  "status" : "<code>", 
  "period" : " Period ", 
  "subject" : " Reference(Patient|Location|Group|Organization|Practitioner) ", 
  "encounter" : " Reference(Encounter) ", 
  "author" : " Reference(Device|Organization|Patient|Practitioner) ", 
  "code" : " CodeableConcept " 
}