diff --git a/restapi/index.php b/restapi/index.php
index 5e0d8ba61..8a59cdb58 100644
--- a/restapi/index.php
+++ b/restapi/index.php
@@ -2823,6 +2823,22 @@ final class SeedDMS_RestapiController { /* {{{ */
         return $this->renderer->json($response, array('success'=>true, 'message'=>'', 'data'=>$data))->withStatus(200);
     } /* }}} */
 
+    function getAttributeDefinition($request, $response, $args) { /* {{{ */
+        $dms = $this->container->get('dms');
+        $userobj = $this->container->get('userobj');
+
+        if (!ctype_digit($args['id'])) {
+            return $this->renderer->json($response, array('success'=>false, 'message'=>'Invalid parameter', 'data'=>''))->withStatus(400);
+        }
+
+        $attrdef = $dms->getAttributeDefinition($args['id']);
+        if ($attrdef) {
+            return $this->renderer->json($response, array('success'=>true, 'message'=>'', 'data'=>$this->__getAttributeDefinitionData($attrdef)))->withStatus(200);
+        } else {
+            return $this->renderer->json($response, array('success'=>false, 'message'=>'No such attributedefinition', 'data'=>''))->withStatus(404);
+        }
+    } /* }}} */
+
     /**
      * Updates the name of an existing attribute definition
      *
@@ -3257,6 +3273,7 @@ $app->delete('/categories/{id}', \SeedDMS_RestapiController::class.':deleteCateg
 $app->post('/categories', \SeedDMS_RestapiController::class.':createCategory');
 $app->put('/categories/{id}/name', \SeedDMS_RestapiController::class.':changeCategoryName');
 $app->get('/attributedefinitions', \SeedDMS_RestapiController::class.':getAttributeDefinitions');
+$app->get('/attributedefinitions/{id}', \SeedDMS_RestapiController::class.':getAttributeDefinition');
 $app->put('/attributedefinitions/{id}/name', \SeedDMS_RestapiController::class.':changeAttributeDefinitionName');
 $app->get('/echo/{data}', \SeedDMS_TestController::class.':echoData');
 $app->get('/version', \SeedDMS_TestController::class.':version');