diff --git a/controllers/ListController.php b/controllers/ListController.php
index e66892c..64d8f4a 100644
--- a/controllers/ListController.php
+++ b/controllers/ListController.php
@@ -3,10 +3,13 @@
 namespace app\controllers;
 
 use app\models\Parameter;
+use app\models\ParameterForm;
 use app\models\ParameterSearch;
 
 use yii\data\ActiveDataProvider;
+use yii\web\NotFoundHttpException;
 use yii\web\Request;
+use yii\web\UploadedFile;
 
 class ListController extends \yii\web\Controller
 {
@@ -24,4 +27,38 @@ class ListController extends \yii\web\Controller
         );
     }
 
+    public function actionEdit(Request $request)
+    {
+        $id = $request->getQueryParam('id');
+        
+        $parameter = Parameter::findOne($id);
+        if ($id !== null && $parameter !== null) {
+            throw new NotFoundHttpException();
+        }
+        
+        $model = new ParameterForm();
+
+        if ($request->isPost) {
+            $data = $request->post();
+            $model->load($data);
+
+            if ($model->validate()) {
+                if ($id) {
+                    $model->edit($parameter);
+                } else {
+                    $id = $model->create();
+                }
+
+                return $this->redirect('/list?ParameterSearch[id]=' . $id);
+            }
+        }
+
+        return $this->render(
+            'edit',
+            [
+                'id' => $id,
+                'model' => $model,
+            ]
+        );
+    }
 }
diff --git a/models/Image.php b/models/Image.php
index c5c3b23..85381ce 100644
--- a/models/Image.php
+++ b/models/Image.php
@@ -3,6 +3,8 @@
 namespace app\models;
 
 use Yii;
+use yii\helpers\FileHelper;
+use yii\web\UploadedFile;
 
 /**
  * This is the model class for table "image".
@@ -21,6 +23,30 @@ class Image extends \yii\db\ActiveRecord
         return 'image';
     }
 
+    public static function fromUploadedFile(?UploadedFile $file): ?Image
+    {
+        if ($file === null) {
+            return null;
+        }
+
+        $hash = hash_file('sha256', $file->tempName);
+        $existing = Image::find()->where([ 'sha256' => $hash ])->one();
+        if ($existing) {
+            return $existing;
+        }
+
+        copy($file->tempName, env('UPLOADS_PATH') . '/' . $hash);
+
+        $new = new Image([
+            'sha256' => $hash,
+            'original_name' => $file->name,
+            'mime' => FileHelper::getMimeType($file->tempName)
+        ]);
+        $new->save(true);
+
+        return $new;
+    }
+
     /**
      * {@inheritdoc}
      */
diff --git a/models/Parameter.php b/models/Parameter.php
index c7c52e3..1cd17a5 100644
--- a/models/Parameter.php
+++ b/models/Parameter.php
@@ -54,7 +54,7 @@ class Parameter extends \yii\db\ActiveRecord
     {
         return [
             [['title', 'type'], 'required'],
-            [['type'], 'integer'],
+            [['type'], 'integer', 'min' => 1, 'max' => 2],
             [['title'], 'string', 'max' => 255],
         ];
     }
diff --git a/models/ParameterForm.php b/models/ParameterForm.php
new file mode 100644
index 0000000..683e8a9
--- /dev/null
+++ b/models/ParameterForm.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace app\models;
+use Exception;
+use yii\base\Model;
+use yii\web\UploadedFile;
+
+class ParameterForm extends Model
+{
+    public $title;
+    public $type;
+    public ?UploadedFile $icon = null;
+    public ?UploadedFile $iconGray = null;
+
+    public function rules()
+    {
+        return [
+            [['title'],'string'],
+            [['type'], 'integer', 'min' => 1, 'max' => 2],
+            [['icon', 'iconGray'], 'file', 'mimeTypes' => 'image/*', 'maxSize' => 1024 * 1024, 'maxFiles' => 1],
+        ];
+    }
+
+    public function load($data, $formName = null)
+    {
+        return $this->setAttributes([
+            'title' => $data['ParameterForm']['title'],
+            'type' => $data['ParameterForm']['type'],
+            'icon' => UploadedFile::getInstance($this, 'icon'),
+            'iconGray' => UploadedFile::getInstance($this, 'iconGray'),
+        ]);
+    }
+
+    public function create(): int
+    {
+        $param = new Parameter();
+        if (!$this->title && !$this->type) {
+            throw new Exception('title and type are required');
+        }
+        
+        $this->edit($param);
+        
+        return $param->id;
+    }
+
+    public function edit(Parameter $param): void
+    {
+        if ($this->title) {
+            $param->title = $this->title;
+        }
+        if ($this->type) {
+            $param->type = (int) $this->type;
+        }
+        
+        if ($param->type == 2) {
+            if ($this->icon) {
+                $icon = Image::fromUploadedFile($this->icon);
+                $param->icon = $icon->id;
+            }
+            if ($this->iconGray) {
+                $iconGray = Image::fromUploadedFile($this->iconGray);
+                $param->iconGray = $iconGray->id;
+            }
+
+            $param->setAttributes([
+                'icon' => $param->icon,
+                'iconGray' => $param->iconGray,
+            ]);
+        }
+
+        $param->setAttributes([
+            'title' => $param->title,
+            'type' => $param->type,
+        ]);
+        $param->save();
+    }
+}
\ No newline at end of file
diff --git a/views/list/edit.php b/views/list/edit.php
new file mode 100644
index 0000000..d8ecfbd
--- /dev/null
+++ b/views/list/edit.php
@@ -0,0 +1,32 @@
+<?php
+use yii\bootstrap5\ActiveForm;
+use yii\bootstrap5\Html;
+
+/** @var yii\web\View $this */
+
+$this->title = $id ? "#$id parameter edit" : 'New parameter';
+
+?>
+
+<h1 class="display-4"><?= $this->title ?></h1>
+
+<?php $form = ActiveForm::begin([
+    'options' => [
+        'enctype' => 'multipart/form-data',
+    ]
+]); ?>
+
+    <?= $form->field($model, 'title') ?>
+    <?= $form->field($model, 'type') ?>
+
+    <div class="card card-body mb-3 pb-0">
+        <p class="small">
+            Note: upload images only if type is 2. They will be ignored if type is 1
+        </p>
+        <?= $form->field($model, 'icon')->fileInput() ?>
+        <?= $form->field($model, 'iconGray')->fileInput() ?>
+    </div>
+
+    <?= Html::submitButton('Save', [ 'class' => 'btn btn-l btn-success w-100' ]) ?>
+
+<?php ActiveForm::end(); ?>
\ No newline at end of file
diff --git a/views/list/index.php b/views/list/index.php
index bd246e1..2bb890e 100644
--- a/views/list/index.php
+++ b/views/list/index.php
@@ -8,7 +8,6 @@ use yii\grid\GridView;
 
 $this->title = 'params list';
 
-
 ?>
 <h1>Parameters</h1>
 
@@ -17,6 +16,7 @@ $this->title = 'params list';
         'method' => 'get',
     ]); ?>
 
+        <?= Html::a('Create new', '/list/edit', [ 'class' => 'btn btn-l btn-success w-100 mb-1' ]) ?>
         <?= Html::submitButton('Run search', [ 'class' => 'btn btn-l btn-success w-100' ]) ?>
         <p class="small">Set your search query in the grid view</p>