InstanceNodesOfSpecificClassesSpecification Interface
Returns nodes for instances of specific ECClasses.
@see Instance nodes of specific classes specification reference documentation page
Extends
Properties
| Name | Type | Description | |
|---|---|---|---|
| arePolymorphic | boolean | undefined | Tells whether selecting instances from ECClasses specified in classes and excludedClasses | Deprecated | 
| classes | MultiSchemaClassesSpecification | MultiSchemaClassesSpecification[] | Defines a set of multi schema classes that | |
| excludedClasses | MultiSchemaClassesSpecification | MultiSchemaClassesSpecification[] | Defines a set of multi schema classes that | |
| instanceFilter | string | undefined | Specifies an ECExpression for filtering | |
| specType | "InstanceNodesOfSpecificClasses" | Used for serializing to JSON. | 
Inherited properties
| Name | Type | Inherited from | Description | 
|---|---|---|---|
| doNotSort Inherited | boolean | undefined | ChildNodeSpecificationBase | Suppress sorting of nodes returned by this specification. | 
| groupByClass Inherited | boolean | undefined | DefaultGroupingPropertiesContainer | Controls whether returned instances should be grouped by ECClass. | 
| groupByLabel Inherited | boolean | undefined | DefaultGroupingPropertiesContainer | Controls whether returned instances should be grouped by label. | 
| hasChildren Inherited | "Always" | "Never" | "Unknown" | ChildNodeSpecificationBase | This attribute allows telling the engine that nodes created by this specification always or never have children. | 
| hideExpression Inherited | string | undefined | ChildNodeSpecificationBase | When specified ECExpression evaluates | 
| hideIfNoChildren Inherited | boolean | undefined | ChildNodeSpecificationBase | Specifies whether nodes created through this specification should be hidden if they have no child nodes. | 
| hideNodesInHierarchy Inherited | boolean | undefined | ChildNodeSpecificationBase | When true, instances nodes produced by this specification are omitted and their children appear one | 
| nestedRules Inherited | ChildNodeRule[] | undefined | ChildNodeSpecificationBase | Specifications of nested child node rules that | 
| priority Inherited | number | undefined | ChildNodeSpecificationBase | Controls the order in which specifications are handled — specification with higher priority value is | 
| relatedInstances Inherited | RelatedInstanceSpecification[] | undefined | ChildNodeSpecificationBase | Specifications of related instances that can be used | 
| suppressSimilarAncestorsCheck Inherited | boolean | undefined | ChildNodeSpecificationBase | Specifies whether similar ancestor nodes' checking should be suppressed when creating nodes based on this | 
Defined in
Last Updated: 24 June, 2025
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