Properties
| Name | Required | Type | Description |
|---|---|---|---|
| id | No | string | Unique id for inter-element referencing |
| extension | No | Extension[] | Additional content defined by implementations |
| reference | No | string | Literal reference, Relative, internal or absolute URL |
| type | No | uri | Type the reference refers to (e.g. “Patient”) |
| identifier | No | Identifier | Logical reference, when literal reference is not known |
| display | No | string | Text alternative for the resource |