id in the body is required and must equal the {id} in the URL.If-Match with the version you last read to avoid overwriting someone else's change. If the version has moved on, the server returns 409.Authorization: Bearer ********************{
"resourceType": "RelatedPerson",
"active": true,
"patient": {
"reference": "Patient/example"
},
"relationship": [
{
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/v2-0131",
"code": "N",
"display": "Next-of-Kin"
}
]
}
],
"name": [
{
"family": "Shaw",
"given": [
"Robert"
]
}
],
"id": "123"
}{
"resourceType": "RelatedPerson",
"active": true,
"patient": {
"reference": "Patient/example"
},
"relationship": [
{
"coding": [
{
"system": "http://terminology.hl7.org/CodeSystem/v2-0131",
"code": "N",
"display": "Next-of-Kin"
}
]
}
],
"name": [
{
"family": "Shaw",
"given": [
"Robert"
]
}
],
"id": "123",
"meta": {
"versionId": "2",
"lastUpdated": "2026-08-28T10:00:00Z"
}
}