System.Tag.queryPropertyValues¶

Description¶

Get the child nodes path, property name, and property value of a specific property for the direct(non-recursive) child nodes under a specified parent path.

Grammar¶

System.Tag.queryPropertyValues(tagParentPath:string,property:string): Promise<Array<{ path: string; property: string; value: any }>>

 - Parameter

    tagParentPath - Parent path

    property  - Property name

 - Return

    Path, name, and value of the direct child node property

Code Example¶

Get the paths of all direct child nodes under the path "Device: Device 1" , as well as the values of the Name property of the child nodes.

const tagProperties = await System.Tag.queryPropertyValues('@Device:Device1','Name');
console.log(tagProperties);