Learning > presentation > content > Selected Node Instances

SelectedNodeInstances Specification

Based on SelectedNodeInstancesSpecification interface.

Returns content for selected (input) instances.

Attributes

Name	Required?	Type	Default	Meaning
Filtering
`acceptableSchemaName`	No	`string`	`""`	Filter selected nodes by specified schema name. All schemas are accepted if not specified.
`acceptableClassNames`	No	`string[]`	`[]`	Filter selected nodes by specified class names. All classes are accepted if not specified.
`acceptablePolymorphically`	No	`boolean`	`false`	Should `acceptableClassNames` property be checked polymorphically. If true, all derived classes are accepted as well.
`onlyIfNotHandled`	No	boolean	`false`	Identifies whether we should ignore this specification if there is already an existing specification with higher `priority` that already provides content.
Ordering
`priority`	No	`number`	`1000`	Changes the order of specifications.
Content Modifiers
`relatedProperties`	No	`RelatedPropertiesSpecification[]`	`[]`	Specifications of related properties which are included in the generated content. See this page for more details
`calculatedProperties`	No	`CalculatedPropertiesSpecification[]`	`[]`	Specifications of calculated properties whose values are generated using provided ECExpressions. See this page for more details
`propertyCategories`	No	`PropertyCategorySpecification[]`	`[]`	Specifications for custom categories. Simply defining the categories does nothing - they have to be referenced from `PropertySpecification` defined in `propertyOverrides` by `id`. See this page for more details
`propertyOverrides`	No	`PropertySpecification[]`	`[]`	Specifications for various property overrides. See this page for more details
`showImages`	No	`boolean`	`false`	Should image IDs be calculated for the returned instances. When `true`, ImageIdOverride rules get applied when creating content.
Misc.
`relatedInstances`	No	`RelatedInstanceSpecification[]`	`[]`	Specifications of related instances that can be used in content creation.

Example

{
  "specType": "SelectedNodeInstances",
  "acceptableSchemaName": "MySchema",
  "acceptableClassNames": ["MyClass1", "MyClass2"],
  "acceptablePolymorphically": true
}

Last Updated: 12 June, 2024