Learning > presentation > hierarchies > Custom Node

CustomNode

Based on CustomNodeSpecification interface.

Returns a custom-defined node that's not based on an ECInstance.

Attributes

Name	Required?	Type	Default	Meaning	Performance Notes
Node values
`type`	Yes	`string`		Type of the node.
`label`	Yes	`string`		Label of the node. May be localized.
`description`	No	`string`	`""`	Description of the node. May be localized.
`imageId`	No	`string`	`""`	Id of the image to use for this custom node.
Filtering
`hideExpression`	No	ECExpression	`""`	An ECExpression that indicates whether a node should be hidden or not.	Expensive
`hideIfNoChildren`	No	`boolean`	`false`	Hide nodes if they don't have children.	Expensive
`hideNodesInHierarchy`	No	`boolean`	`false`	Hide nodes provided by this specification and directly show their children.	Expensive
Ordering
`priority`	No	`number`	`1000`	Changes the order of specifications used to create nodes for specific branch.
Misc.
`hasChildren`	No	`"Always" \| "Never" \| "Unknown"`	`"Unknown"`	Tells the rules engine that nodes produced using this specification always or never have children.	Improves
`relatedInstances`	No	`RelatedInstanceSpecification[]`	`[]`	Specifications of related instances that can be used in nodes' creation.
`nestedRules`	No	`ChildNodeRule[]`	`[]`	Specifications of nested child node rules.

Example

{
  "specType": "CustomNode",
  "type": "T_NodeA",
  "label": "@MyApp:Label_NodeA@",
  "description": "@MyApp:Description_NodeA@",
  "priority": 2000
}

Last Updated: 11 June, 2024