require(["esri/widgets/Attribution/AttributionViewModel"], function(AttributionVM) { /* code goes here */ });
Class: esri/widgets/Attribution/AttributionViewModel
Inheritance: AttributionViewModel Accessor
Since: ArcGIS API for JavaScript 4.0

Provides the logic for the Attribution widget. Displays attribution text for the layers in a map. The text displayed for the layers is either a list of data providers or sources as defined in the layer's custom attribution data, or the copyright text. The attribution is automatically updated based on layer visibility and map extent.

Esri requires that when you use an ArcGIS Online basemap in your app, the map must include Esri attribution and you must be licensed to use the content. For detailed guidelines on working with attribution, please visit the official attribution in your app documentation. For information on terms of use, see the Terms of Use FAQ.

See also:


new AttributionViewModel(properties)
properties Object

See the properties for a list of all the properties that may be passed into the constructor.

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.

Array of attribution items.

more details
more detailsAttributionViewModel

The view model's state.

more details
more detailsAttributionViewModel
MapView | SceneView

The view from which the view model will operate.

more details
more detailsAttributionViewModel

Property Details


Array of attribution items.


The view model's state.

Known Values: ready | disabled

Default Value:disabled

The view from which the view model will operate.

Type Definitions


The following properties define an attribution item that contains the attribution text for a set of layers.

text Boolean

The attribution text for one or more layers.

layers Layer[]

The associated layers that share the attribution text.

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