3.18.6 Extension: Communication Subject - Detailed Descriptions
Definitions for the ext-communication-subject Extension
| Extension | |
| Definition | A string describing the 'subject' of the communication. Equvalent to 'subject' in an email. |
| Control | 0..1 |
| Must Support | true |
| Max Length | 0 |
| Extension.id | |
| Definition | unique id for the element within a resource (for internal references). |
| Control | 0..1 |
| Type | id |
| Max Length | 0 |
| Extension.extension | |
| Definition | An Extension |
| Control | 0..0 |
| Type | Extension |
| Max Length | 0 |
| Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Control | 1..1 |
| Type | uri |
| Must Support | true |
| Comments | Fixed value: http://sharedhealth.exchange/fhir/StructureDefinition/ext-communication-subject |
| Max Length | 0 |
| Fixed Value | http://sharedhealth.exchange/fhir/StructureDefinition/ext-communication-subject |
| Extension.valueString | |
| Definition | Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
| Control | 1..1 |
| Type | string |
| Must Support | true |
| Max Length | 255 |