fixes

ui-ngx/src/app/shared/components/device/gateway-connectors.component.ts

@@ -178,6 +178,7 @@ export class GatewayConnectorComponent extends PageComponent implements AfterVie
 
   saveConnector(): void {
     const value = this.connectorForm.value;
+    value.configuration = this.camelize(value.name) + ".json";
     if (value.type !== 'grpc') {
       delete value.key;
     }
@@ -333,6 +334,10 @@ export class GatewayConnectorComponent extends PageComponent implements AfterVie
     })
   }
 
+  camelize(str): string {
+    return str.toLowerCase().replace(/\s+/g, '_');
+  }
+
   connectorLogs(attribute: AttributeData, $event: Event): void {
     if ($event) {
       $event.stopPropagation();