FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.2.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

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Extension: Parameters Definition for parameter

Official URL: http://hl7.org/fhir/StructureDefinition/parameters-definition				Version: 5.2.0-ballot
Standards status: Trial-use			Maturity Level: 2	Computable Name: ParametersDefinition
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1727

This specifies the definition for a parameter if needed. This is useful for communicating the type of a parameter when the parameter has no value.

Context of Use

This extension may be used on the following element(s)

• Element ID: Parameters.parameter

Usage info

Usages:

• This Extension is not used by any profiles in this Implementation Guide

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id	Grade	Path(s)	Details	Requirements
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()

R4B

The extension is unchanged in R4B

R4

The extension is unchanged in R4

R3

The extension is represented a little differently in R3:

• Replace the type ParameterDefinition with a set of extensions for the content of the type along with the _datatype extension
• Note: Extensions that have been modified for R3 are still draft while real-world experience is collected

Name	Flags	Card.	Type	Description & Constraints      Filter: Bindings Constraints Obligations
Extension		0..1	Extension	Definition for parameter
Slices for extension		0 ..*	Extension	Extension Slice: Unordered, Open by value:url
extension:_datatype		1..1	(Complex)	DataType name 'ParameterDefinition' from R5 URL: http://hl7.org/fhir/StructureDefinition/_datatype
value[x]		1.. 1	string	Value of extension Fixed Value: ParameterDefinition
extension:name		0..1	Extension	Name used to access the parameter value
extension		0 .. 0
url		1 .. 1	uri	"name"
value[x]		1.. 1	code	Value of extension
extension:use		1..1	Extension	in | out
extension		0 .. 0
url		1 .. 1	uri	"use"
value[x]		1.. 1	code	Value of extension Binding: OperationParameterUse ( required ) : Whether the parameter is input or output.
extension:min		0..1	Extension	Minimum cardinality
extension		0 .. 0
url		1 .. 1	uri	"min"
value[x]		1.. 1	integer	Value of extension
extension:max		0..1	Extension	Maximum cardinality (a number of *)
extension		0 .. 0
url		1 .. 1	uri	"max"
value[x]		1.. 1	string	Value of extension
extension:documentation		0..1	Extension	A brief description of the parameter
extension		0 .. 0
url		1 .. 1	uri	"documentation"
value[x]		1.. 1	string	Value of extension
extension:type		1..1	Extension	What type of value
extension		0 .. 0
url		1 .. 1	uri	"type"
value[x]		1.. 1	code	Value of extension Binding: FHIRTypes ( required ) : List of FHIR types (resources, data types).
extension:profile		0..1	Extension	What profile the value is expected to be
extension		0 .. 0
url		1 .. 1	uri	"profile"
value[x]		1.. 1	uri	Value of extension
url		1 .. 1	uri	"http://hl7.org/fhir/StructureDefinition/parameters-definition"
value[x]		0 .. 0
Documentation for this format

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