# Type alias gmfLayerTreeOptions

gmfLayerTreeOptions: {
isExpanded: boolean;
openlinksinnewwindow: boolean;
}

#### Type declaration

- ##### isExpanded: boolean

  [Experimental] Whether all the layer group is expanded by default.

- ##### openlinksinnewwindow: boolean

  if true, open metadataURLs in a new window. Otherwise open them in a popup.

- Defined in srcapi/store/config.ts:1323

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