diff --git a/.github/workflows/greetings.yml b/.github/workflows/greetings.yml
index adb8716..75cb759 100755
--- a/.github/workflows/greetings.yml
+++ b/.github/workflows/greetings.yml
@@ -9,5 +9,5 @@ jobs:
     - uses: actions/first-interaction@v1
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
-        issue-message: 'Thank you for createing this issue. We will check it as soon as possible.'
+        issue-message: 'Thank you for creating this issue. We will check it as soon as possible.'
         pr-message: 'Thank you for your pull request. We will check it as soon as possible.'
diff --git a/Controller/ApiAttributeTraitController.php b/Controller/ApiAttributeTraitController.php
index 00190a6..86312dc 100644
--- a/Controller/ApiAttributeTraitController.php
+++ b/Controller/ApiAttributeTraitController.php
@@ -43,7 +43,7 @@ trait ApiAttributeTraitController
      *
      * @since 1.0.0
      */
-    private function createAttributeFromRequest(RequestAbstract $request, AttributeType $type) : Attribute
+    public function createAttributeFromRequest(RequestAbstract $request, AttributeType $type) : Attribute
     {
         $new       = new Attribute();
         $new->ref  = (int) $request->getData('ref');
@@ -153,7 +153,7 @@ trait ApiAttributeTraitController
         $attrType                    = new AttributeType($request->getDataString('name') ?? '');
         $attrType->datatype          = AttributeValueType::tryFromValue($request->getDataInt('datatype')) ?? AttributeValueType::_STRING;
         $attrType->custom            = $request->getDataBool('custom') ?? false;
-        $attrType->repeatable        = $request->getDataBool('repeatable') ?? false;
+        $attrType->isRepeatable        = $request->getDataBool('is_repeatable') ?? false;
         $attrType->isInternal        = $request->getDataBool('internal') ?? false;
         $attrType->isRequired        = $request->getDataBool('is_required') ?? false;
         $attrType->validationPattern = $request->getDataString('validation_pattern') ?? '';
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 364e68b..084eace 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -80,7 +80,7 @@ final class ApiController extends Controller
      *
      * @since 1.0.0
      */
-    private function createAttributeFromRequest(RequestAbstract $request, AttributeType $type) : Attribute
+    public function createAttributeFromRequest(RequestAbstract $request, AttributeType $type) : Attribute
     {
         $new       = new Attribute();
         $new->ref  = (int) $request->getData('ref');
@@ -246,6 +246,7 @@ final class ApiController extends Controller
         $attrType->datatype          = AttributeValueType::tryFromValue($request->getDataInt('datatype')) ?? AttributeValueType::_STRING;
         $attrType->custom            = $request->getDataBool('custom') ?? false;
         $attrType->isRequired        = $request->getDataBool('is_required') ?? false;
+        $attrType->isRepeatable        = $request->getDataBool('is_repeatable') ?? false;
         $attrType->validationPattern = $request->getDataString('validation_pattern') ?? '';
         $attrType->setL11n(
             $request->getDataString('title') ?? '',
diff --git a/Models/AttributeType.php b/Models/AttributeType.php
index d5c68f2..33ba733 100755
--- a/Models/AttributeType.php
+++ b/Models/AttributeType.php
@@ -63,7 +63,7 @@ class AttributeType implements \JsonSerializable
 
     public bool $isRequired = false;
 
-    public bool $repeatable = false;
+    public bool $isRepeatable = false;
 
     public bool $isInternal = false;
 
@@ -240,7 +240,7 @@ class AttributeType implements \JsonSerializable
             'custom'            => $this->custom,
             'isRequired'        => $this->isRequired,
             'isInternal'        => $this->isInternal,
-            'repeatable'        => $this->repeatable,
+            'isRepeatable'        => $this->isRepeatable,
         ];
     }
 
diff --git a/Models/AttributeTypeMapper.php b/Models/AttributeTypeMapper.php
index 84773bf..875d05e 100755
--- a/Models/AttributeTypeMapper.php
+++ b/Models/AttributeTypeMapper.php
@@ -43,6 +43,7 @@ final class AttributeTypeMapper extends DataMapperFactory
         'attribute_attr_type_custom'   => ['name' => 'attribute_attr_type_custom',   'type' => 'bool',   'internal' => 'custom'],
         'attribute_attr_type_pattern'  => ['name' => 'attribute_attr_type_pattern',  'type' => 'string', 'internal' => 'validationPattern'],
         'attribute_attr_type_required' => ['name' => 'attribute_attr_type_required', 'type' => 'bool',   'internal' => 'isRequired'],
+        'attribute_attr_type_repeatable' => ['name' => 'attribute_attr_type_repeatable', 'type' => 'bool',   'internal' => 'isRepeatable'],
     ];
 
     /**
diff --git a/Theme/Backend/Components/type-view.tpl.php b/Theme/Backend/Components/type-view.tpl.php
index b79e0dd..72e595a 100644
--- a/Theme/Backend/Components/type-view.tpl.php
+++ b/Theme/Backend/Components/type-view.tpl.php
@@ -66,12 +66,20 @@ echo $this->data['nav']->render(); ?>
 
                             <div class="form-group">
                                 <label class="checkbox" for="iRequired">
-                                    <input id="iRequired" type="checkbox" name="required" value="1"<?= $this->attribute->isRequired ? ' checked' : ''; ?>>
+                                    <input id="iRequired" type="checkbox" name="is_required" value="1"<?= $this->attribute->isRequired ? ' checked' : ''; ?>>
                                     <span class="checkmark"></span>
                                     <?= $this->getHtml('IsRequired', 'Attribute', 'Backend'); ?>
                                 </label>
                             </div>
 
+                            <div class="form-group">
+                                <label class="checkbox" for="iRepeatable">
+                                    <input id="iRepeatable" type="checkbox" name="is_repeatable" value="1"<?= $this->attribute->isRepeatable ? ' checked' : ''; ?>>
+                                    <span class="checkmark"></span>
+                                    <?= $this->getHtml('IsRepeatable', 'Attribute', 'Backend'); ?>
+                                </label>
+                            </div>
+
                             <div class="form-group">
                                 <label class="checkbox" for="iCustom">
                                     <input id="iCustom" type="checkbox" name="custom" value="1" <?= $this->attribute->custom ? ' checked' : ''; ?>>
diff --git a/Theme/Backend/Lang/de.lang.php b/Theme/Backend/Lang/de.lang.php
index 1a1b740..21ed518 100644
--- a/Theme/Backend/Lang/de.lang.php
+++ b/Theme/Backend/Lang/de.lang.php
@@ -20,6 +20,7 @@ return ['Attribute' => [
     'Datatype'       => 'Datatype',
     'DefaultValues'  => 'Default Values',
     'IsRequired'     => 'Is required?',
+    'IsRepeatable'     => 'Is repeatable?',
     'Name'           => 'Name',
     'Pattern'        => 'Pattern',
     'Status'         => 'Status',
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 69278ff..d3e11fa 100755
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -20,6 +20,7 @@ return ['Attribute' => [
     'Datatype'       => 'Datatype',
     'DefaultValues'  => 'Default Values',
     'IsRequired'     => 'Is required?',
+    'IsRepeatable'     => 'Is repeatable?',
     'Name'           => 'Name',
     'Pattern'        => 'Pattern',
     'Status'         => 'Status',