https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-geojson-layers-to-a-webmap-object/m-p/1350442#M82794 <P>Hello! I'm wondering if it's possible to add a GeoJSONLayer (<A href="https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-GeoJSONLayer.html" target="_blank">GeoJSONLayer | API Reference | ArcGIS Maps SDK for JavaScript 4.28 | ArcGIS Developers</A>) to a WebMap object?&nbsp;<A href="https://developers.arcgis.com/javascript/latest/api-reference/esri-WebMap.html" target="_blank">WebMap | API Reference | ArcGIS Maps SDK for JavaScript 4.28 | ArcGIS Developers</A></P><P>This is my use-case:</P><P>Build and maintain a web map in ArcGIS Online that contains a series of relevant contextual layers. Reference that web map directly in a series of JS applications, but have the flexibility to programmatically add additional layers to the map view as needed within my custom JS applications.</P><P>Is this doable? Thanks for any advice!</P> Thu, 16 Nov 2023 19:58:05 GMT DeniseVachon 2023-11-16T19:58:05Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-geojson-layers-to-a-webmap-object/m-p/1350442#M82794 <P>Hello! I'm wondering if it's possible to add a GeoJSONLayer (<A href="https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-GeoJSONLayer.html" target="_blank">GeoJSONLayer | API Reference | ArcGIS Maps SDK for JavaScript 4.28 | ArcGIS Developers</A>) to a WebMap object?&nbsp;<A href="https://developers.arcgis.com/javascript/latest/api-reference/esri-WebMap.html" target="_blank">WebMap | API Reference | ArcGIS Maps SDK for JavaScript 4.28 | ArcGIS Developers</A></P><P>This is my use-case:</P><P>Build and maintain a web map in ArcGIS Online that contains a series of relevant contextual layers. Reference that web map directly in a series of JS applications, but have the flexibility to programmatically add additional layers to the map view as needed within my custom JS applications.</P><P>Is this doable? Thanks for any advice!</P> Thu, 16 Nov 2023 19:58:05 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-geojson-layers-to-a-webmap-object/m-p/1350442#M82794 DeniseVachon 2023-11-16T19:58:05Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-geojson-layers-to-a-webmap-object/m-p/1350482#M82795 <P>Hi there,&nbsp;</P><P>I think you are asking if a GeoJSONLayer can be persisted in a webmap. It can and this support was added at version 4.22 -&nbsp;<A href="https://developers.arcgis.com/javascript/latest/4.22/#better-support-for-csvlayer-and-geojsonlayer" target="_blank">https://developers.arcgis.com/javascript/latest/4.22/#better-support-for-csvlayer-and-geojsonlayer</A></P><P>&nbsp;</P> Thu, 16 Nov 2023 20:59:20 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-geojson-layers-to-a-webmap-object/m-p/1350482#M82795 UndralBatsukh 2023-11-16T20:59:20Z