http://hl7.org/fhir/StructureDefinition/SearchParameter|4.0.1

description: A search parameter that defines a named search item that can be used to search/filter on a resource.
derivation: specialization
name: SearchParameter
type: SearchParameter
elements:
  description: {short: Natural language description of the search parameter, isSummary: true, index: 9}
  date: {short: Date last changed, isSummary: true, index: 6}
  expression: {short: FHIRPath expression that extracts the values, index: 16}
  modifier:
    short: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType
    array: true
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/search-modifier-code|4.0.1'}
    index: 23
  publisher: {short: Name of the publisher (organization or individual), isSummary: true, index: 7}
  multipleAnd: {short: Allow multiple parameters (and), index: 21}
  jurisdiction:
    short: Intended jurisdiction for search parameter (if applicable)
    array: true
    binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/jurisdiction'}
    isSummary: true
    index: 11
  derivedFrom: {short: Original definition for the search parameter, index: 3}
  purpose: {short: Why this search parameter is defined, index: 12}
  multipleOr: {short: Allow multiple values per parameter (or), index: 20}
  name: {short: Name for this search parameter (computer friendly), isSummary: true, index: 2}
  useContext: {short: The context that the content is intended to support, array: true, isSummary: true, index: 10}
  xpath: {short: XPath that extracts the values, index: 17}
  xpathUsage:
    short: normal | phonetic | nearby | distance | other
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/search-xpath-usage|4.0.1'}
    index: 18
  type:
    short: number | date | string | token | reference | composite | quantity | uri | special
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/search-param-type|4.0.1'}
    isSummary: true
    index: 15
  experimental: {short: 'For testing purposes, not real usage', isSummary: true, index: 5}
  component:
    short: For Composite resources to define the parts
    array: true
    index: 25
    elements:
      definition: {short: Defines how the part works, index: 26}
      expression: {short: Subexpression relative to main expression, index: 27}
    required: [expression, definition]
  status:
    isModifier: true
    short: draft | active | retired | unknown
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/publication-status|4.0.1'}
    isModifierReason: This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration
    isSummary: true
    index: 4
  chain: {short: Chained names supported, array: true, index: 24}
  url: {short: 'Canonical identifier for this search parameter, represented as a URI (globally unique)', isSummary: true, index: 0}
  code: {short: Code used in URL, isSummary: true, index: 13}
  comparator:
    short: eq | ne | gt | lt | ge | le | sa | eb | ap
    array: true
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/search-comparator|4.0.1'}
    index: 22
  target:
    short: Types of resource (if a resource reference)
    array: true
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/resource-types|4.0.1'}
    index: 19
  base:
    min: 1
    short: The resource type(s) this search parameter applies to
    array: true
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/resource-types|4.0.1'}
    isSummary: true
    index: 14
  version: {short: Business version of the search parameter, isSummary: true, index: 1}
  contact: {short: Contact details for the publisher, array: true, isSummary: true, index: 8}
class: resource
kind: resource
url: http://hl7.org/fhir/StructureDefinition/SearchParameter
base: http://hl7.org/fhir/StructureDefinition/DomainResource
version: 4.0.1
required: [url, base, name, status, type, code, description]