diff --git a/Models/AccountRelation.php b/Models/AccountRelation.php
index e9de284..69c56db 100755
--- a/Models/AccountRelation.php
+++ b/Models/AccountRelation.php
@@ -33,7 +33,7 @@ class AccountRelation extends RelationAbstract
      * @var Account
      * @since 1.0.0
      */
-    private Account $relation;
+    public Account $relation;
 
     /**
      * Constructor.
diff --git a/Models/GroupRelation.php b/Models/GroupRelation.php
index c6bfc86..751a60d 100755
--- a/Models/GroupRelation.php
+++ b/Models/GroupRelation.php
@@ -33,7 +33,7 @@ class GroupRelation extends RelationAbstract
      * @var Group
      * @since 1.0.0
      */
-    private Group $relation;
+    public Group $relation;
 
     /**
      * Constructor.
diff --git a/Models/RelationAbstract.php b/Models/RelationAbstract.php
index 1fe4f17..0ee53ce 100755
--- a/Models/RelationAbstract.php
+++ b/Models/RelationAbstract.php
@@ -41,7 +41,7 @@ abstract class RelationAbstract implements \JsonSerializable
      * @var int
      * @since 1.0.0
      */
-    protected int $duty = DutyType::TO;
+    public int $duty = DutyType::TO;
 
     /**
      * Element id.