Resource
| Property | Value | 
|---|---|
| Publisher | |
| Name | Resource | 
| URL | http://hl7.org/fhir/StructureDefinition/Resource | 
| Status | active | 
| Description | |
| Abstract | true | 
Structure
| Path | Cardinality | Type | Description | 
|---|---|---|---|
| Resource | 0..* | Resource | This is the base resource type for everything. | 
| Resource.id | 0..1 | http://hl7.org/fhirpath/System.String | The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes. | 
| Resource.meta | 0..1 | Meta | The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource. | 
| Resource.implicitRules | 0..1 | uri | A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc. | 
| Resource.language | 0..1 | code | The base language in which the resource is written. | 
Search Parameters
| Name | Type | Description | Expression | 
|---|---|---|---|
| _text | string | Search on the narrative of the resource | |
| _content | string | Search on the entire content of the resource | |
| _id | token | Logical id of this artifact | Resource.id | 
| _lastUpdated | date | When the resource version last changed | Resource.meta.lastUpdated | 
| _profile | uri | Profiles this resource claims to conform to | Resource.meta.profile | 
| _query | token | A custom search profile that describes a specific defined query operation | |
| _security | token | Security Labels applied to this resource | Resource.meta.security | 
| _source | uri | Identifies where the resource comes from | Resource.meta.source | 
| _tag | token | Tags applied to this resource | Resource.meta.tag | 
| _iguhealth-author | reference | The author of the resource | Resource.meta.extension.where(url='https://iguhealth.app/author').value | 
| _type | token | Missing in search-parameter.json for R4 this is derived from the R4B Definition |