diff --git a/Interfaces/GSD/Importer.php b/Interfaces/GSD/Importer.php
index 4884110..9d94171 100644
--- a/Interfaces/GSD/Importer.php
+++ b/Interfaces/GSD/Importer.php
@@ -74,6 +74,15 @@ final class Importer extends ImporterAbstract
         $this->importBatchPosting($start, $end);
     }
 
+    /**
+     * Import data from request
+     *
+     * @param RequestAbstract $request Request
+     *
+     * @return bool
+     *
+     * @since  1.0.0
+     */
     public function importFromRequest(RequestAbstract $request) : bool
     {
         $start = new \DateTime($request->getData('start') ?? 'now');
diff --git a/Models/ImporterAbstract.php b/Models/ImporterAbstract.php
index 6a486d1..879f667 100644
--- a/Models/ImporterAbstract.php
+++ b/Models/ImporterAbstract.php
@@ -38,7 +38,6 @@ abstract class ImporterAbstract
      * Constructor
      *
      * @param ConnectionInterface $local  Database connection
-     * @param ConnectionInterface $remote Database connection
      *
      * @since  1.0.0
      */
@@ -46,4 +45,15 @@ abstract class ImporterAbstract
     {
         $this->remote = $remote;
     }
+
+    /**
+     * Import data from request
+     *
+     * @param RequestAbstract $request Request
+     *
+     * @return bool
+     *
+     * @since  1.0.0
+     */
+    abstract public function importFromRequest(RequestAbstract $request) : bool;
 }