topic Add Field Programmatically with JavaScript API in ArcGIS JavaScript Maps SDK Questions https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-field-programmatically-with-javascript-api/m-p/740371#M68527 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-size: 11.0pt;">Is it possible to add a field to an existing feature layer through the JavaScript API? I know how to create a new feature layer and define the fields in it. I'm wondering if it's possible to modify the feature layer's schema through the API.</SPAN></P></BODY></HTML> Wed, 12 Jun 2019 23:41:42 GMT ChrisSeabrooke1 2019-06-12T23:41:42Z Add Field Programmatically with JavaScript API https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-field-programmatically-with-javascript-api/m-p/740371#M68527 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-size: 11.0pt;">Is it possible to add a field to an existing feature layer through the JavaScript API? I know how to create a new feature layer and define the fields in it. I'm wondering if it's possible to modify the feature layer's schema through the API.</SPAN></P></BODY></HTML> Wed, 12 Jun 2019 23:41:42 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-field-programmatically-with-javascript-api/m-p/740371#M68527 ChrisSeabrooke1 2019-06-12T23:41:42Z Re: Add Field Programmatically with JavaScript API https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-field-programmatically-with-javascript-api/m-p/740372#M68528 <HTML><HEAD></HEAD><BODY><P>Chris,</P><P></P><P>&nbsp; &nbsp;No you can not make schema changes to a layer in a map service using the JS API.</P></BODY></HTML> Thu, 13 Jun 2019 13:02:09 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/add-field-programmatically-with-javascript-api/m-p/740372#M68528 RobertScheitlin__GISP 2019-06-13T13:02:09Z