diff --git a/mod/workshop/classes/external.php b/mod/workshop/classes/external.php
index 4e6c0f97720..829f0d362ef 100644
--- a/mod/workshop/classes/external.php
+++ b/mod/workshop/classes/external.php
@@ -1280,6 +1280,10 @@ class mod_workshop_external extends external_api {
             }
         }
 
+        // Get dimensions info.
+        $grader = $workshop->grading_strategy_instance();
+        $result['dimensionsinfo'] = $grader->get_dimensions_info();
+
         return $result;
     }
 
@@ -1318,6 +1322,17 @@ class mod_workshop_external extends external_api {
                         )
                     ), 'The current field values.'
                 ),
+                'dimensionsinfo' => new external_multiple_structure(
+                    new external_single_structure(
+                        array(
+                            'id' => new external_value(PARAM_INT, 'Dimension id.'),
+                            'min' => new external_value(PARAM_FLOAT, 'Minimum grade for the dimension.'),
+                            'max' => new external_value(PARAM_FLOAT, 'Maximum grade for the dimension.'),
+                            'weight' => new external_value(PARAM_TEXT, 'The weight of the dimension.'),
+                            'scale' => new external_value(PARAM_TEXT, 'Scale items (if used).', VALUE_OPTIONAL),
+                        )
+                    ), 'The dimensions general information.'
+                ),
                 'warnings' => new external_warnings()
             )
         );
diff --git a/mod/workshop/form/accumulative/lib.php b/mod/workshop/form/accumulative/lib.php
index 77576a8ad92..87a5f99c30c 100644
--- a/mod/workshop/form/accumulative/lib.php
+++ b/mod/workshop/form/accumulative/lib.php
@@ -346,6 +346,7 @@ class workshop_accumulative_strategy implements workshop_strategy {
                 // the dimension uses a scale
                 $diminfo[$dimid]->min = 1;
                 $diminfo[$dimid]->max = count(explode(',', $dimrecord->scale));
+                $diminfo[$dimid]->scale = $dimrecord->scale;
             } else {
                 // the dimension uses points
                 $diminfo[$dimid]->min = 0;
diff --git a/mod/workshop/form/lib.php b/mod/workshop/form/lib.php
index 3889d843153..1f5d930ff5d 100644
--- a/mod/workshop/form/lib.php
+++ b/mod/workshop/form/lib.php
@@ -84,7 +84,7 @@ interface workshop_strategy {
     /**
      * Returns a general information about the assessment dimensions
      *
-     * @return array [dimid] => stdclass (->id ->max ->min ->weight)
+     * @return array [dimid] => stdclass (->id ->max ->min ->weight and optionally ->scale containing scale items)
      */
     public function get_dimensions_info();
 
diff --git a/mod/workshop/tests/external_test.php b/mod/workshop/tests/external_test.php
index 737b800f1b9..8d26175237d 100644
--- a/mod/workshop/tests/external_test.php
+++ b/mod/workshop/tests/external_test.php
@@ -1312,6 +1312,13 @@ class mod_workshop_external_testcase extends externallib_advanced_testcase {
                 $this->assertEquals(25, $field['value']); // Check one of the dimension fields attributes.
             }
         }
+        // Check dimensions grading info.
+        foreach ($result['dimensionsinfo'] as $dimension) {
+            $this->assertEquals(0, $dimension['min']);
+            $this->assertEquals(25, $dimension['max']);
+            $this->assertEquals(25, $dimension['weight']);
+            $this->assertFalse(isset($dimension['scale']));
+        }
     }
 
     /**
diff --git a/mod/workshop/upgrade.txt b/mod/workshop/upgrade.txt
index 88a71f5b34a..4032b08cebf 100644
--- a/mod/workshop/upgrade.txt
+++ b/mod/workshop/upgrade.txt
@@ -1,6 +1,10 @@
 This files describes API changes in /mod/workshop - activity modules,
 information provided here is intended especially for developers.
 
+=== 3.4 ===
+
+* workshop_strategy::get_dimensions_info now returns also the scale items (if scales are being used).
+
 === 3.3.2 ===
 
 * workshop_refresh_events() Now takes two additional parameters to refine the update to a specific instance. This function