{description: To allow for searching DocumentReference resources by their linked content attachment URL, package_name: fhir.deep6.ai, name: Deep6AIDocumentReferenceAttachmentUrl, type: string, package_version: 0.1.3, class: unknown, kind: null, url: 'http://deep6.ai/fhir/SearchParameter/deep-6-ai-documentreference-attachment-url', version: 0.1.3}