### ----------------------------------------------------
### -- FHIR
### -- Licenses: Artistic-2.0
### -- Authors: Hugh Simpson
### -- File: t/resources/structureDefinition/RequestGroup.json
### ----------------------------------------------------
### -- Chunk 10 of 12
 : {
        "path" : "Resource.implicitRules",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
      "isSummary" : true
    },
    {
      "id" : "RequestGroup.language",
      "path" : "RequestGroup.language",
      "short" : "Language of the resource content",
      "definition" : "The base language in which the resource is written.",
      "comment" : "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.language",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueCanonical" : "http://hl7.org/fhir/ValueSet/all-languages"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "description" : "A human language.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "RequestGroup.text",
      "path" : "RequestGroup.text",
      "short" : "Text summary of the resource, for human interpretation",
      "definition" : "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
      "comment" : "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded information is added later.",
      "alias" : ["narrative",
      "html",
      "xhtml",
      "display"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "DomainResource.text",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Narrative"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "Act.text?"
      }]
    },
    {
      "id" : "RequestGroup.contained",
      "path" : "RequestGroup.contained",
      "short" : "Contained, inline Resources",
      "definition" : "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
      "comment" : "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.",
      "alias" : ["inline resources",
      "anonymous resources",
      "contained resources"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.contained",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Resource"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "RequestGroup.extension",
      "path" : "RequestGroup.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "RequestGroup.modifierExtension",
      "path" : "RequestGroup.modifierExtension",
      "short" : "Extensions that cannot be ignored",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "RequestGroup.identifier",
      "path" : "RequestGroup.identifier",
      "short" : "Business identifier",
      "definition" : "Allows a service to provide a unique, business identifier for the request.",
      "requirements" : "Allows identification of the request as it is known by various participating systems and in a way that remains consistent across servers.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      }]
    },
    {
      "id" : "RequestGroup.instantiatesCanonical",
      "path" : "RequestGroup.instantiatesCanonical",
      "short" : "Instantiates FHIR protocol or definition",
      "definition" : "A canonical URL referencing a FHIR-defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this request.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.instantiatesCanonical",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "canonical"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.instantiatesCanonical"
      }]
    },
    {
      "id" : "RequestGroup.instantiatesUri",
      "path" : "RequestGroup.instantiatesUri",
      "short" : "Instantiates external protocol or definition",
      "definition" : "A URL referencing an externally defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this request.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.instantiatesUri",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "uri"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.instantiatesUri"
      }]
    },
    {
      "id" : "RequestGroup.basedOn",
      "path" : "RequestGroup.basedOn",
      "short" : "Fulfills plan, proposal, or order",
      "definition" : "A plan, proposal or order that is fulfilled in whole or in part by this request.",
      "requirements" : "Allows tracing of authorization for the request and tracking whether proposals/recommendations were acted upon.",
      "alias" : ["fulfills"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.basedOn",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Resource"]
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.basedOn"
      }]
    },
    {
      "id" : "RequestGroup.replaces",
      "path" : "RequestGroup.replaces",
      "short" : "Request(s) replaced by this request",
      "definition" : "Completed or terminated request(s) whose function is taken by this new request.",
      "comment" : "The replacement could be because the initial request was immediately rejected (due to an issue) or because the previous request was completed, but the need for the action described by the request remains ongoing.",
      "requirements" : "Allows tracing the continuation of a therapy or administrative process instantiated through multiple requests.",
      "alias" : ["supersedes",
      "prior",
      "renewed order"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.replaces",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Resource"]
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.replaces"
      }]
    },
    {
      "id" : "RequestGroup.groupIdentifier",
      "path" : "RequestGroup.groupIdentifier",
      "short" : "Composite request this is part of",
      "definition" : "A shared identifier common to all requests that were authorized more or less simultaneously by a single author, representing the identifier of the requisition, prescription or similar form.",
      "comment" : "Requests are linked either by a \"basedOn\" relationship (i.e. one request is fulfilling another) or by having a common requisition.  Requests that are part of the same requisition are generally treated independently from the perspective of changing their state or maintaining them after initial creation.",
      "requirements" : "Some business processes need to know if multiple items were ordered as part of the same \"prescription\" or \"requisition\" for billing or other purposes.",
      "alias" : ["grouperid",
      "requisition"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.groupIdentifier",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.groupIdentifier"
      }]
    },
    {
      "id" : "RequestGroup.status",
      "path" : "RequestGroup.status",
      "short" : "draft | active | suspended | cancelled | completed | entered-in-error | unknown",
      "definition" : "The current state of the request. For request groups, the status reflects the status of all the requests in the group.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.status",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "RequestStatus"
        }],
        "strength" : "required",
        "description" : "Codes identifying the lifecycle stage of a request.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/request-status|4.0.0"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.status"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.status"
      }]
    },
    {
      "id" : "RequestGroup.intent",
      "path" : "RequestGroup.intent",
      "short" : "proposal | plan | order",
      "definition" : "Indicates the level of authority/intentionality associated with the request and where the request fits into the workflow chain.",
      "requirements" : "Proposals/recommendations, plans and orders all use the same structure and can exist in the same fulfillment chain.",
      "alias" : ["category"],
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.intent",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element changes the interpretation of all descriptive attributes. For example \"the time the request is recommended to occur\" vs. \"the time the request is authorized to occur\" or \"who is recommended to perform the request\" vs. \"who is authorized to perform the request",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "RequestIntent"
        }],
        "strength" : "required",
        "description" : "Codes indicating the degree of authority/intentionality associated with a request.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/request-intent|4.0.0"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.intent"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.class"
      }]
    },
    {
      "id" : "RequestGroup.priority",
      "path" : "RequestGroup.priority",
      "short" : "routine | urgent | asap | stat",
      "definition" : "Indicates how quickly the request should be addressed with respect to other requests.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.priority",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "meaningWhenMissing" : "If missing, this request should be performed with normal priority",
      "isModifier" : false,
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "RequestPriority"
        }],
        "strength" : "required",
        "description" : "Identifies the level of importance to be assigned to actioning the request.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/request-priority|4.0.0"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.priority"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.grade"
      }]
    },
    {
      "id" : "RequestGroup.code",
      "path" : "RequestGroup.code",
      "short" : "What's being requested/ordered",
      "definition" : "A code that identifies what the overall request group is.",
      "comment" : "This element can be used to provide a code that captures the meaning of the request group as a whole, as opposed to the code of the action element, which captures the meaning of the individual actions within the request group.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.code",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.code"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.what[x]"
      }]
    },
    {
      "id" : "RequestGroup.subject",
      "path" : "RequestGroup.subject",
      "short" : "Who the request group is about",
      "definition" : "The subject for which the request group was created.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.subject",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Patient",
        "http://hl7.org/fhir/StructureDefinition/Group"]
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.subject"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.subject[x]"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.subject"
      }]
    },
    {
      "id" : "RequestGroup.encounter",
      "path" : "RequestGroup.encounter",
      "short" : "Created as part of",
      "definition" : "Describes the context of the request group, if any.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.encounter",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Encounter"]
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.encounter"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.context"
      }]
    },
    {
      "id" : "RequestGroup.authoredOn",
      "path" : "RequestGroup.authoredOn",
      "short" : "When the request group was authored",
      "definition" : "Indicates when the request group was created.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.authoredOn",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.authoredOn"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      }]
    },
    {
      "id" : "RequestGroup.author",
      "path" : "RequestGroup.author",
      "short" : "Device or practitioner that authored the request group",
      "definition" : "Provides a reference to the author of the request group.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.author",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Device",
        "http://hl7.org/fhir/StructureDefinition/Practitioner",
        "http://hl7.org/fhir/StructureDefinition/PractitionerRole"]
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.requester"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.author"
      }]
    },
    {
      "id" : "RequestGroup.reasonCode",
      "path" : "RequestGroup.reasonCode",
      "short" : "Why the request group is needed",
      "definition" : "Describes the reason for the request group in coded or textual form.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.reasonCode",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.reasonCode"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      }]
    },
    {
      "id" : "RequestGroup.reasonReference",
      "path" : "RequestGroup.reasonReference",
      "short" : "Why the request group is needed",
      "definition" : "Indicates another resource whose existence justifies this request group.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.reasonReference",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Condition",
        "http://hl7.org/fhir/StructureDefinition/Observation",
        "http://hl7.org/fhir/StructureDefinition/DiagnosticReport",
        "http://hl7.org/fhir/StructureDefinition/DocumentReference"]
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.reasonReference"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      }]
    },
    {
      "id" : "RequestGroup.note",
      "path" : "RequestGroup.note",
      "short" : "Additional notes about the response",
      "definition" : "Provides a mechanism to communicate additional information about the response.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.note",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Annotation"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Request.note"
      }]
    },
    {
      "id" : "RequestGroup.action",
      "path" : "RequestGroup.action",
      "short" : "Proposed actions, if any",
      "definition" : "The actions, if any, produced by the evaluation of the artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "RequestGroup.action",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "Element"
      },
      {
        "key" : "rqg-1",
        "severity" : "error",
        "human" : "Must have resource or action but not both",
        "expression" : "resource.exists() != action.exists()",
        "xpath" : "exists(f:resource) != exists(f:action)"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "RequestGroup.action.id",
      "path" : "RequestGroup.action.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "RequestGroup.action.extension",
      "path" : "RequestGroup.action.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "RequestGroup.action.modifierExtension",
      "path" : "RequestGroup.action.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "RequestGroup.action.prefix",
      "path" : "RequestGroup.action.prefix",
      "short" : "User-visible prefix for the action (e.g. 1. or A.)",
      "definition" : "A user-visible prefix for the action.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.action.prefix",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "RequestGroup.action.title",
      "path" : "RequestGroup.action.title",
      "short" : "User-visible title",
      "definition" : "The title of the action displayed to a user.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.action.title",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "RequestGroup.action.description",
      "path" : "RequestGroup.action.description",
      "short" : "Short description of the action",
      "definition" : "A short description of the action used to provide a summary to display to the user.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.action.description",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "RequestGroup.action.textEquivalent",
      "path" : "RequestGroup.action.textEquivalent",
      "short" : "Static text equivalent of the action, used if the dynamic aspects cannot be interpreted by the receiving system",
      "definition" : "A text equivalent of the action to be performed. This provides a human-interpretable description of the action when the definition is consumed by a system that might not be capable of interpreting it dynamically.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.action.textEquivalent",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "RequestGroup.action.priority",
      "path" : "RequestGroup.action.priority",
      "short" : "routine | urgent | asap | stat",
      "definition" : "Indicates how quickly the action should be addressed with respect to other actions.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "RequestGroup.action.priority",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "RequestPriority"
        }],
        "strength" : "required",
