diff --git a/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php b/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php
index 850d29838..8d805f612 100644
--- a/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/AggregatorInterface.php
@@ -12,6 +12,7 @@ declare(strict_types=1);
 namespace Chill\MainBundle\Export;
 
 use Closure;
+use Symfony\Component\Form\FormBuilderInterface;
 
 /**
  * Interface for Aggregators.
@@ -21,6 +22,16 @@ use Closure;
  */
 interface AggregatorInterface extends ModifierInterface
 {
+    /**
+     * Add a form to collect data from the user.
+     */
+    public function buildForm(FormBuilderInterface $builder);
+
+    /**
+     * Get the default data, that can be use as "data" for the form
+     */
+    public function getFormDefaultData(): array;
+
     /**
      * get a callable which will be able to transform the results into
      * viewable and understable string.
diff --git a/src/Bundle/ChillMainBundle/Export/DirectExportInterface.php b/src/Bundle/ChillMainBundle/Export/DirectExportInterface.php
index 9703a42de..5bad5bb42 100644
--- a/src/Bundle/ChillMainBundle/Export/DirectExportInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/DirectExportInterface.php
@@ -11,10 +11,21 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Export;
 
+use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\HttpFoundation\Response;
 
 interface DirectExportInterface extends ExportElementInterface
 {
+    /**
+     * Add a form to collect data from the user.
+     */
+    public function buildForm(FormBuilderInterface $builder);
+
+    /**
+     * Get the default data, that can be use as "data" for the form
+     */
+    public function getFormDefaultData(): array;
+
     /**
      * Generate the export.
      */
diff --git a/src/Bundle/ChillMainBundle/Export/ExportElementInterface.php b/src/Bundle/ChillMainBundle/Export/ExportElementInterface.php
index 3b0402f42..b0441c829 100644
--- a/src/Bundle/ChillMainBundle/Export/ExportElementInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/ExportElementInterface.php
@@ -19,10 +19,6 @@ use Symfony\Component\Form\FormBuilderInterface;
  */
 interface ExportElementInterface
 {
-    /**
-     * Add a form to collect data from the user.
-     */
-    public function buildForm(FormBuilderInterface $builder);
 
     /**
      * get a title, which will be used in UI (and translated).
diff --git a/src/Bundle/ChillMainBundle/Export/ExportInterface.php b/src/Bundle/ChillMainBundle/Export/ExportInterface.php
index d4e456ca6..f357a9fdb 100644
--- a/src/Bundle/ChillMainBundle/Export/ExportInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/ExportInterface.php
@@ -13,6 +13,7 @@ namespace Chill\MainBundle\Export;
 
 use Doctrine\ORM\NativeQuery;
 use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Form\FormBuilderInterface;
 
 /**
  * Interface for Export.
@@ -28,6 +29,16 @@ use Doctrine\ORM\QueryBuilder;
  */
 interface ExportInterface extends ExportElementInterface
 {
+    /**
+     * Add a form to collect data from the user.
+     */
+    public function buildForm(FormBuilderInterface $builder);
+
+    /**
+     * Get the default data, that can be use as "data" for the form
+     */
+    public function getFormDefaultData(): array;
+
     /**
      * Return which formatter type is allowed for this report.
      *
diff --git a/src/Bundle/ChillMainBundle/Export/FilterInterface.php b/src/Bundle/ChillMainBundle/Export/FilterInterface.php
index 5e398c30d..7db850108 100644
--- a/src/Bundle/ChillMainBundle/Export/FilterInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/FilterInterface.php
@@ -11,6 +11,8 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Export;
 
+use Symfony\Component\Form\FormBuilderInterface;
+
 /**
  * Interface for filters.
  *
@@ -23,6 +25,16 @@ interface FilterInterface extends ModifierInterface
 {
     public const STRING_FORMAT = 'string';
 
+    /**
+     * Add a form to collect data from the user.
+     */
+    public function buildForm(FormBuilderInterface $builder);
+
+    /**
+     * Get the default data, that can be use as "data" for the form
+     */
+    public function getFormDefaultData(): array;
+
     /**
      * Describe the filtering action.
      *
diff --git a/src/Bundle/ChillMainBundle/Export/FormatterInterface.php b/src/Bundle/ChillMainBundle/Export/FormatterInterface.php
index 1f9df225a..e939c47f2 100644
--- a/src/Bundle/ChillMainBundle/Export/FormatterInterface.php
+++ b/src/Bundle/ChillMainBundle/Export/FormatterInterface.php
@@ -34,6 +34,11 @@ interface FormatterInterface
         array $aggregatorAliases
     );
 
+    /**
+     * get the default data for the form build by buildForm
+     */
+    public function getFormDefaultData(array $aggregatorAliases): array;
+
     public function getName();
 
     /**