Removed unused filter_type parameter.

CHANGELOG.md

@@ -5,6 +5,8 @@
 <!-- There is always Unreleased section on the top. Subsections (Added, Changed, Fixed, Removed) should be added as needed. -->
 
 ## Unreleased
+### Changed
+- Client doesn't send no longer used parameter `filter_type`.
 
 ## 3.0.0 - 2020-05-14
 ### Added

src/Model/Command/UserRecommendation.php

@@ -10,8 +10,6 @@
  */
 class UserRecommendation extends AbstractCommand implements UserAwareInterface
 {
-    public const FILTER_TYPE_MQL = 'mql';
-
     /** @var string */
     protected $filterOperator = 'and';
     /** @var string */
@@ -30,8 +28,6 @@ class UserRecommendation extends AbstractCommand implements UserAwareInterface
     private $minimalRelevance;
     /** @var string[] */
     private $filters;
-    /** @var string */
-    private $filterType = self::FILTER_TYPE_MQL;
     /** @var string|null */
     private $modelName;
     /** @var string[] */
@@ -330,7 +326,6 @@ protected function getCommandParameters(): array
 
         if ($this->filters !== null) {
             $parameters['filter'] = $this->assembleFiltersString();
-            $parameters['filter_type'] = $this->filterType;
         }
 
         if ($this->responseProperties !== null) {

tests/unit/Model/Command/UserRecommendationTest.php

@@ -64,7 +64,6 @@ public function shouldUseCustomParameters(): void
                     'hard_rotation' => true,
                     'min_relevance' => MinimalRelevance::HIGH,
                     'filter' => 'foo = bar and baz = ban',
-                    'filter_type' => UserRecommendation::FILTER_TYPE_MQL,
                     'properties' => ['item_url'],
                     'model_name' => $modelName,
                     'allow_seen' => true,