Learning > presentation > hierarchies > Root Node Rule

RootNodeRule

Root node rules are used to define nodes that are displayed at the root hierarchy level.

Attributes

Name	Required?	Type	Default	Meaning
Placement attributes
`priority`	No	`number`	`1000`	Defines the order in which presentation rules are evaluated.
`condition`	No	ECExpression	`""`	Defines a condition for the rule, which needs to be met in order to execute it.
`onlyIfNotHandled`	No	`boolean`	`false`	Should this rule be ignored if there is already an existing rule with a higher priority.
`stopFurtherProcessing`	No	`boolean`	`false`	Stop processing rules that have lower priority. Used in cases when recursion suppression is needed. Note: If this flag is set, `specifications` and `subConditions` are not processed.
Branch content attributes
`autoExpand`	No	`boolean`	`false`	Automatically expand nodes created by this rule.
`specifications`	No	`ChildNodeSpecification[]`	`[]`	Specifications that define what content the rule returns.
`customizationRules`	No	`CustomizationRule[]`	`[]`	Customization rules that are applied for the content returned by this rule.
`subConditions`	No	`SubCondition[]`	`[]`	Specifies child node rules which are only used when specific condition is satisfied

Example

{
  "ruleType": "RootNodes",
  "priority": 999,
  "stopFurtherProcessing": true,
  "autoExpand": true,
  "specifications": [],
  "customizationRules": []
}

Last Updated: 13 June, 2024