Fenil I'm not sure that's the case. You can see below it says it's free, but I still get a 422 error response. Any other ideas?
'x-request-id': '05cb0fa8-97cc-42da-a357-8f72202a5bcc'
Body: {"resourceType":"Appointment","status":"booked","slot":[{"reference":"Slot/4047611-32216061-63492653-120"}],"participant":[{"actor":{"reference":"Patient/12724066"},"status":"accepted"}]}
Slot: {"resource":{"resourceType":"Slot","id":"4047611-32216061-63492653-120","meta":{"versionId":"3423v8v7219v283","lastUpdated":"2020-05-22T07:10:44Z"},"text":{"status":"generated","div":""},"extension":[{"valueReference":{"reference":"Location/32216061"},"url":"
https://fhir-ehr.cerner.com/r4/StructureDefinition/scheduling-location"}],"serviceType":[{"coding":[{"system":"
https://fhir.cerner.com/ec2458f2-1e24-41c8-b71b-0e701af7583d/codeSet/14249","code":"4047611","display":"Surgery Rapid","userSelected":true},{"system":"
http://snomed.info/sct","code":"394576009","display":"Accident & emergency (qualifier value)"}],"text":"Surgery Rapid"}],"schedule":{"reference":"Schedule/4047611-32216061-63492653-120"},"status":"free","start":"2021-06-21T07:00:00Z","end":"2021-06-21T07:30:00Z"}}