diff --git a/application/Espo/ORM/BaseEntity.php b/application/Espo/ORM/BaseEntity.php
index 2a2a56f7c0..75a7d95570 100644
--- a/application/Espo/ORM/BaseEntity.php
+++ b/application/Espo/ORM/BaseEntity.php
@@ -645,17 +645,17 @@ class BaseEntity implements Entity
     /**
      * Whether an entity type has an attribute defined.
      */
-    public function hasAttribute(string $name): bool
+    public function hasAttribute(string $attibute): bool
     {
-        return isset($this->attributes[$name]);
+        return isset($this->attributes[$attibute]);
     }
 
     /**
      * Whether an entity type has a relation defined.
      */
-    public function hasRelation(string $name): bool
+    public function hasRelation(string $relation): bool
     {
-        return isset($this->relations[$name]);
+        return isset($this->relations[$relation]);
     }
 
     /**
@@ -848,6 +848,7 @@ class BaseEntity implements Entity
                         if (!self::areValuesEqual(self::JSON_OBJECT, $v1[$i], $v2[$i])) {
                             return false;
                         }
+
                         continue;
                     }
 
diff --git a/application/Espo/ORM/Entity.php b/application/Espo/ORM/Entity.php
index e4a57e3c1c..19e247b1eb 100644
--- a/application/Espo/ORM/Entity.php
+++ b/application/Espo/ORM/Entity.php
@@ -99,4 +99,61 @@ interface Entity
      * Get an entity type.
      */
     public function getEntityType(): string;
+
+    /**
+     * Get attribute list defined for an entity type.
+     */
+    public function getAttributeList(): array;
+
+    /**
+     * Get relation list defined for an entity type.
+     */
+    public function getRelationList(): array;
+
+    /**
+     * Whether an entity type has an attribute defined.
+     */
+    public function hasAttribute(string $attribute): bool;
+
+    /**
+     * Whether an entity type has a relation defined.
+     */
+    public function hasRelation(string $relation): bool;
+
+    /**
+     * Get an attribute type.
+     */
+    public function getAttributeType(string $attribute): ?string;
+
+    /**
+     * Get a relation type.
+     */
+    public function getRelationType(string $relation): ?string;
+
+    /**
+     * Whether an entity is new.
+     */
+    public function isNew(): bool;
+
+    /**
+     * Whether is fetched from DB.
+     */
+    public function isFetched(): bool;
+
+    /**
+     * Whether an attribute was changed (since syncing with DB).
+     */
+    public function isAttributeChanged(string $name): bool;
+
+    /**
+     * Get a fetched value of a specific attribute.
+     *
+     * @return mixed
+     */
+    public function getFetched(string $attribute);
+
+    /**
+     * Whether a fetched value is set for a specific attribute.
+     */
+    public function hasFetched(string $attribute): bool;
 }