Class: Parameter

A variable element that describes an input used in a formal expression

URI: [odm:class/Parameter](https://cdisc.org/odm2/class/Parameter)
erDiagram
CodeList {
    string formatName  
    DataType dataType  
    string name  
    string description  
    string OID  
    stringList aliases  
    string href  
    boolean isNonStandard  
    string label  
    datetime lastUpdated  
    boolean mandatory  
    string owner  
    string purpose  
    string uuid  
    string version  
    string wasDerivedFrom  
}
Coding {
    AliasPredicate aliasType  
    string code  
    string codeSystem  
    string codeSystemVersion  
    string decode  
}
Comment {
    string text  
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    datetime lastUpdated  
    boolean mandatory  
    string owner  
    string purpose  
    string uuid  
    string wasDerivedFrom  
}
ConceptProperty {
    integer maxOccurs  
    integer minOccurs  
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    datetime lastUpdated  
    boolean mandatory  
    string owner  
    string purpose  
    string uuid  
    string wasDerivedFrom  
}
Condition {
    string implementsCondition  
    LogicalOperator operator  
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    datetime lastUpdated  
    boolean mandatory  
    string owner  
    string purpose  
    string uuid  
    string wasDerivedFrom  
}
FormalExpression {
    string expression  
    string returnType  
    string context  
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    string uuid  
}
Parameter {
    string defaultValue  
    boolean required  
    DataType dataType  
    stringList items  
    string value  
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    string uuid  
}
RangeCheck {
    stringList checkValues  
    Comparator comparator  
    string item  
    SoftHard softHard  
    LogicalOperator operator  
}
SiteOrSponsorComment {
    OriginSource sourceType  
    string source  
    string text  
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    datetime lastUpdated  
    boolean mandatory  
    string owner  
    string purpose  
    string uuid  
    string wasDerivedFrom  
}
WhereClause {
    string name  
    string description  
    string OID  
    stringList aliases  
    string label  
    datetime lastUpdated  
    boolean mandatory  
    string owner  
    string purpose  
    string uuid  
    string wasDerivedFrom  
}

CodeList ||--|o Resource : "externalCodeList"
CodeList ||--|o Standard : "standard"
CodeList ||--}o CodeListItem : "codeListItems"
CodeList ||--}o Coding : "coding"
CodeList ||--}o Comment : "comments"
CodeList ||--}o SiteOrSponsorComment : "siteOrSponsorComments"
Comment ||--}o Coding : "coding"
Comment ||--}o Comment : "comments"
Comment ||--}o DocumentReference : "documents"
Comment ||--}o SiteOrSponsorComment : "siteOrSponsorComments"
ConceptProperty ||--|o CodeList : "codeList"
ConceptProperty ||--}o Coding : "coding"
ConceptProperty ||--}o Comment : "comments"
ConceptProperty ||--}o SiteOrSponsorComment : "siteOrSponsorComments"
Condition ||--}o Coding : "coding"
Condition ||--}o Comment : "comments"
Condition ||--}o Condition : "conditions"
Condition ||--}o FormalExpression : "expressions"
Condition ||--}o RangeCheck : "rangeChecks"
Condition ||--}o SiteOrSponsorComment : "siteOrSponsorComments"
FormalExpression ||--|o ReturnValue : "returnValue"
FormalExpression ||--}o Coding : "coding"
FormalExpression ||--}o Parameter : "parameters"
FormalExpression ||--}o Resource : "externalCodeLibs"
Parameter ||--}o CodeList : "codeList"
Parameter ||--}o Coding : "coding"
Parameter ||--}o ConceptProperty : "conceptProperty"
Parameter ||--}o Condition : "conditions"
Parameter ||--}o WhereClause : "applicableWhen"
RangeCheck ||--}o FormalExpression : "expressions"
SiteOrSponsorComment ||--}o Coding : "coding"
SiteOrSponsorComment ||--}o Comment : "comments"
SiteOrSponsorComment ||--}o SiteOrSponsorComment : "siteOrSponsorComments"
WhereClause ||--}o Coding : "coding"
WhereClause ||--}o Comment : "comments"
WhereClause ||--}o Condition : "conditions"
WhereClause ||--}o SiteOrSponsorComment : "siteOrSponsorComments"

## Inheritance * [IdentifiableElement](../classes/IdentifiableElement.md) [ [Identifiable](../classes/Identifiable.md) [Labelled](../classes/Labelled.md)] * **Parameter** ## Slots | Name | Cardinality and Range | Description | Inheritance | | --- | --- | --- | --- | | [dataType](../slots/dataType.md) | 0..1
[DataType](../enums/DataType.md) | The data type of the parameter. | direct | | [codeList](../slots/codeList.md) | *
[CodeList](../classes/CodeList.md) | A list of allowed values for the parameter. | direct | | [value](../slots/value.md) | 0..1
[String](../types/String.md) | A specific bound value for the parameter. | direct | | [defaultValue](../slots/defaultValue.md) | 0..1
[String](../types/String.md) | A default value for the parameter. | direct | | [items](../slots/items.md) | *
[String](../types/String.md) or 
[Item](../classes/Item.md) or 
[Dimension](../classes/Dimension.md) or 
[Measure](../classes/Measure.md) or 
[DataAttribute](../classes/DataAttribute.md) | A list of item dependencies for the parameter. | direct | | [conceptProperty](../slots/conceptProperty.md) | *
[ConceptProperty](../classes/ConceptProperty.md) | Reference to a specific concept property that this parameter represents or modifies. | direct | | [applicableWhen](../slots/applicableWhen.md) | *
[WhereClause](../classes/WhereClause.md) | References to different situations that define when this parameter is applicable or required in the containing expression. Multiple whereClauses are combined with OR logic: the parameter applies if ANY referenced WhereClause matches.
Within each WhereClause, conditions are combined with AND logic. Example: applicableWhen: ["WC.ADULT", "WC.PEDIATRIC"] means the parameter is needed when (all conditions in WC.ADULT are true) OR (all conditions in WC.PEDIATRIC are true). | direct | | [conditions](../slots/conditions.md) | *
[Condition](../classes/Condition.md) | Validation conditions that constrain this parameter's value beyond controlled terminology. Multiple conditions are combined with AND logic: all must be satisfied. Use these for parameter validation rules, distinct from applicableWhen which determines if the parameter is needed at all.
Example: A parameter AGE might have conditions ensuring it's >= 0 and <= 120. or conditions might make up part of a componsed expression. | direct | | [required](../slots/required.md) | 0..1
[Boolean](../types/Boolean.md) | Indicates whether this parameter must be provided when the containing expression is evaluated (technical constraint). | direct | | [OID](../slots/OID.md) | 1
[String](../types/String.md) | Local identifier within this study/context. Use CDISC OID format for regulatory submissions, or simple strings for internal use. | [Identifiable](../classes/Identifiable.md) | | [uuid](../slots/uuid.md) | 0..1
[String](../types/String.md) | Universal unique identifier | [Identifiable](../classes/Identifiable.md) | | [name](../slots/name.md) | 0..1
[String](../types/String.md) | Short name or identifier, used for field names | [Labelled](../classes/Labelled.md) | | [description](../slots/description.md) | 0..1
[String](../types/String.md) or 
[TranslatedText](../classes/TranslatedText.md) | Detailed description, shown in tooltips | [Labelled](../classes/Labelled.md) | | [coding](../slots/coding.md) | *
[Coding](../classes/Coding.md) | Semantic tags for this element | [Labelled](../classes/Labelled.md) | | [label](../slots/label.md) | 0..1
[String](../types/String.md) or 
[TranslatedText](../classes/TranslatedText.md) | Human-readable label, shown in UIs | [Labelled](../classes/Labelled.md) | | [aliases](../slots/aliases.md) | *
[String](../types/String.md) or 
[TranslatedText](../classes/TranslatedText.md) | Alternative name or identifier | [Labelled](../classes/Labelled.md) | ## Usages | used by | used in | type | used | | --- | --- | --- | --- | | [FormalExpression](../classes/FormalExpression.md) | [parameters](../slots/parameters.md) | range | [Parameter](../classes/Parameter.md) | ## Identifier and Mapping Information ### Schema Source * from schema: https://cdisc.org/dds ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | odm:Parameter | | native | odm:Parameter | ## LinkML Source ### Direct
name: Parameter
description: A variable element that describes an input used in a formal expression
from_schema: https://cdisc.org/dds
is_a: IdentifiableElement
attributes:
  dataType:
    name: dataType
    description: The data type of the parameter.
    from_schema: https://cdisc.org/dds
    domain_of:
    - Item
    - CodeList
    - Parameter
    - ReturnValue
    range: DataType
  codeList:
    name: codeList
    description: A list of allowed values for the parameter.
    from_schema: https://cdisc.org/dds
    domain_of:
    - Item
    - ConceptProperty
    - Parameter
    range: CodeList
    multivalued: true
  value:
    name: value
    description: A specific bound value for the parameter.
    from_schema: https://cdisc.org/dds
    domain_of:
    - Translation
    - Parameter
    - Timing
    range: string
  defaultValue:
    name: defaultValue
    description: A default value for the parameter.
    from_schema: https://cdisc.org/dds
    rank: 1000
    domain_of:
    - Parameter
    range: string
  items:
    name: items
    description: A list of item dependencies for the parameter.
    from_schema: https://cdisc.org/dds
    domain_of:
    - MetaDataVersion
    - ItemGroup
    - Parameter
    multivalued: true
    inlined: false
    any_of:
    - range: Item
    - range: Dimension
    - range: Measure
    - range: DataAttribute
  conceptProperty:
    name: conceptProperty
    description: Reference to a specific concept property that this parameter represents
      or modifies.
    from_schema: https://cdisc.org/dds
    domain_of:
    - Item
    - Parameter
    range: ConceptProperty
    multivalued: true
    inlined: false
  applicableWhen:
    name: applicableWhen
    description: 'References to different situations that define when this parameter
      is applicable or required in the containing expression. Multiple whereClauses
      are combined with OR logic: the parameter applies if ANY referenced WhereClause
      matches.

      Within each WhereClause, conditions are combined with AND logic. Example: applicableWhen:
      ["WC.ADULT", "WC.PEDIATRIC"] means the parameter is needed when (all conditions
      in WC.ADULT are true) OR (all conditions in WC.PEDIATRIC are true).'
    from_schema: https://cdisc.org/dds
    domain_of:
    - Item
    - ItemGroup
    - Parameter
    - Analysis
    range: WhereClause
    multivalued: true
    inlined: false
  conditions:
    name: conditions
    description: 'Validation conditions that constrain this parameter''s value beyond
      controlled terminology. Multiple conditions are combined with AND logic: all
      must be satisfied. Use these for parameter validation rules, distinct from applicableWhen
      which determines if the parameter is needed at all.

      Example: A parameter AGE might have conditions ensuring it''s >= 0 and <= 120.
      or conditions might make up part of a componsed expression.'
    from_schema: https://cdisc.org/dds
    domain_of:
    - MetaDataVersion
    - WhereClause
    - Condition
    - Parameter
    range: Condition
    multivalued: true
    inlined: false
  required:
    name: required
    description: Indicates whether this parameter must be provided when the containing
      expression is evaluated (technical constraint).
    from_schema: https://cdisc.org/dds
    rank: 1000
    ifabsent: 'False'
    domain_of:
    - Parameter
    range: boolean
### Induced
name: Parameter
description: A variable element that describes an input used in a formal expression
from_schema: https://cdisc.org/dds
is_a: IdentifiableElement
attributes:
  dataType:
    name: dataType
    description: The data type of the parameter.
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - Item
    - CodeList
    - Parameter
    - ReturnValue
    range: DataType
  codeList:
    name: codeList
    description: A list of allowed values for the parameter.
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - Item
    - ConceptProperty
    - Parameter
    range: CodeList
    multivalued: true
  value:
    name: value
    description: A specific bound value for the parameter.
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - Translation
    - Parameter
    - Timing
    range: string
  defaultValue:
    name: defaultValue
    description: A default value for the parameter.
    from_schema: https://cdisc.org/dds
    rank: 1000
    owner: Parameter
    domain_of:
    - Parameter
    range: string
  items:
    name: items
    description: A list of item dependencies for the parameter.
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - MetaDataVersion
    - ItemGroup
    - Parameter
    multivalued: true
    inlined: false
    any_of:
    - range: Item
    - range: Dimension
    - range: Measure
    - range: DataAttribute
  conceptProperty:
    name: conceptProperty
    description: Reference to a specific concept property that this parameter represents
      or modifies.
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - Item
    - Parameter
    range: ConceptProperty
    multivalued: true
    inlined: false
  applicableWhen:
    name: applicableWhen
    description: 'References to different situations that define when this parameter
      is applicable or required in the containing expression. Multiple whereClauses
      are combined with OR logic: the parameter applies if ANY referenced WhereClause
      matches.

      Within each WhereClause, conditions are combined with AND logic. Example: applicableWhen:
      ["WC.ADULT", "WC.PEDIATRIC"] means the parameter is needed when (all conditions
      in WC.ADULT are true) OR (all conditions in WC.PEDIATRIC are true).'
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - Item
    - ItemGroup
    - Parameter
    - Analysis
    range: WhereClause
    multivalued: true
    inlined: false
  conditions:
    name: conditions
    description: 'Validation conditions that constrain this parameter''s value beyond
      controlled terminology. Multiple conditions are combined with AND logic: all
      must be satisfied. Use these for parameter validation rules, distinct from applicableWhen
      which determines if the parameter is needed at all.

      Example: A parameter AGE might have conditions ensuring it''s >= 0 and <= 120.
      or conditions might make up part of a componsed expression.'
    from_schema: https://cdisc.org/dds
    owner: Parameter
    domain_of:
    - MetaDataVersion
    - WhereClause
    - Condition
    - Parameter
    range: Condition
    multivalued: true
    inlined: false
  required:
    name: required
    description: Indicates whether this parameter must be provided when the containing
      expression is evaluated (technical constraint).
    from_schema: https://cdisc.org/dds
    rank: 1000
    ifabsent: 'False'
    owner: Parameter
    domain_of:
    - Parameter
    range: boolean
  OID:
    name: OID
    description: Local identifier within this study/context. Use CDISC OID format
      for regulatory submissions, or simple strings for internal use.
    from_schema: https://cdisc.org/dds
    rank: 1000
    identifier: true
    owner: Parameter
    domain_of:
    - Identifiable
    range: string
    required: true
  uuid:
    name: uuid
    description: Universal unique identifier
    from_schema: https://cdisc.org/dds
    rank: 1000
    owner: Parameter
    domain_of:
    - Identifiable
    range: string
  name:
    name: name
    description: Short name or identifier, used for field names
    from_schema: https://cdisc.org/dds
    rank: 1000
    owner: Parameter
    domain_of:
    - Labelled
    - DefClass
    - SubClass
    - Standard
    range: string
  description:
    name: description
    description: Detailed description, shown in tooltips
    from_schema: https://cdisc.org/dds
    rank: 1000
    owner: Parameter
    domain_of:
    - Labelled
    - CodeListItem
    range: string
    any_of:
    - range: string
    - range: TranslatedText
  coding:
    name: coding
    description: Semantic tags for this element
    from_schema: https://cdisc.org/dds
    rank: 1000
    owner: Parameter
    domain_of:
    - Labelled
    - CodeListItem
    - SourceItem
    range: Coding
    multivalued: true
    inlined: true
    inlined_as_list: true
  label:
    name: label
    description: Human-readable label, shown in UIs
    from_schema: https://cdisc.org/dds
    exact_mappings:
    - skos:prefLabel
    rank: 1000
    owner: Parameter
    domain_of:
    - Labelled
    range: string
    any_of:
    - range: string
    - range: TranslatedText
  aliases:
    name: aliases
    description: Alternative name or identifier
    from_schema: https://cdisc.org/dds
    exact_mappings:
    - skos:altLabel
    rank: 1000
    owner: Parameter
    domain_of:
    - Labelled
    - CodeListItem
    range: string
    multivalued: true
    inlined: true
    inlined_as_list: true
    any_of:
    - range: string
    - range: TranslatedText