This page is part of the FHIR Specification (v0.4.0: DSTU 2 Draft). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
No more than this many characters
{
"resourceType": "ExtensionDefinition",
"id": "maxLength",
"url": "http://hl7.org/fhir/ExtensionDefinition/maxLength",
"name": "No more than this many characters",
"publisher": "HL7 FHIR project",
"contact": [
{
"telecom": [
{
"system": "url",
"value": "http://hl7.org/fhir"
}
]
}
],
"description": "The maximum number of characters that must be present in the simple data type to be considered a \"valid\" instance.",
"status": "draft",
"date": "2014-04-27",
"mapping": [
{
"identity": "v2",
"uri": "http://hl7.org/v2",
"name": "HL7 v2"
},
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM"
}
],
"contextType": "resource",
"context": [
"DataElement",
"Questionnaire.group.question"
],
"element": [
{
"path": "Extension",
"short": "No more than this many characters",
"definition": "The maximum number of characters that must be present in the simple data type to be considered a \"valid\" instance.",
"comments": "For base64binary, reflects the number of characters representing the encoded data, not the number of bytes of the binary data.",
"min": 0,
"max": "1",
"type": [
{
"code": "integer"
}
],
"mapping": [
{
"identity": "v2",
"map": "N/A"
},
{
"identity": "rim",
"map": "N/A (MIF-level)"
}
]
}
]
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.