consts

application/Espo/Core/Utils/Database/Orm/Converter.php

@@ -85,8 +85,8 @@ class Converter
         FieldParam::AUTOINCREMENT => AttributeParam::AUTOINCREMENT,
         'entity' => 'entity',
         FieldParam::NOT_STORABLE => AttributeParam::NOT_STORABLE,
-        'link' => AttributeParam::RELATION,
-        'field' => AttributeParam::FOREIGN,
+        FieldParam::LINK => AttributeParam::RELATION,
+        FieldParam::FIELD => AttributeParam::FOREIGN,
         'unique' => 'unique',
         'index' => 'index',
         FieldParam::DEFAULT => AttributeParam::DEFAULT,

application/Espo/ORM/Defs/Params/FieldParam.php

@@ -93,4 +93,14 @@ class FieldParam
      * Dependee attributes.
      */
     public const DEPENDEE_ATTRIBUTE_LIST = 'dependeeAttributeList';
+
+    /**
+     * Foreign link.
+     */
+    public const LINK = 'link';
+
+    /**
+     * Foreign field.
+     */
+    public const FIELD = 'field';
 }