https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/accessing-data-from-a-feature-layer/m-p/1252749#M80092 <P>Hi, is there a way to check the data for a specific field in the feature layer? I'm basically trying to see if the input entered by the user already exists in the data or not</P><P>&nbsp;</P> Mon, 30 Jan 2023 03:04:22 GMT TheGamer 2023-01-30T03:04:22Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/accessing-data-from-a-feature-layer/m-p/1252749#M80092 <P>Hi, is there a way to check the data for a specific field in the feature layer? I'm basically trying to see if the input entered by the user already exists in the data or not</P><P>&nbsp;</P> Mon, 30 Jan 2023 03:04:22 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/accessing-data-from-a-feature-layer/m-p/1252749#M80092 TheGamer 2023-01-30T03:04:22Z https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/accessing-data-from-a-feature-layer/m-p/1252751#M80093 <P>maybe you want get this:<A href="https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-FeatureLayer.html#queryFeatures:~:text=the%20query%0A%7D)%3B-,queryFeatures,-(query%2C" target="_self">FeatureLayer.queryFeature()</A></P><P>and set query option</P><P>forExample:&nbsp;new Query().where = "name = '123'"</P> Mon, 30 Jan 2023 05:31:31 GMT https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/accessing-data-from-a-feature-layer/m-p/1252751#M80093 mqllin 2023-01-30T05:31:31Z