diff --git a/htdocs/core/ajax/ajaxdirpreview.php b/htdocs/core/ajax/ajaxdirpreview.php
index 41e23819266..9575208f485 100644
--- a/htdocs/core/ajax/ajaxdirpreview.php
+++ b/htdocs/core/ajax/ajaxdirpreview.php
@@ -201,6 +201,13 @@ if ($type == 'directory')
 		'mrp-mo'
 	);
 
+	$parameters = array('modulepart'=>$module);
+	$reshook = $hookmanager->executeHooks('addSectionECMAuto', $parameters);
+	if ($reshook > 0 && is_array($hookmanager->resArray) && count($hookmanager->resArray)>0)
+	{
+		$automodules[]=$hookmanager->resArray['module'];
+	}
+
 	// TODO change for multicompany sharing
 	if ($module == 'company') $upload_dir = $conf->societe->dir_output;
 	elseif ($module == 'invoice') $upload_dir = $conf->facture->dir_output;
@@ -220,6 +227,13 @@ if ($type == 'directory')
 	elseif ($module == 'recruitment-recruitmentcandidature') $upload_dir = $conf->recruitment->dir_output.'/recruitmentcandidature';
 	elseif ($module == 'banque') $upload_dir = $conf->bank->dir_output;
 	elseif ($module == 'mrp-mo') $upload_dir = $conf->mrp->dir_output.'/mo';
+	else {
+		$parameters = array('modulepart'=>$module);
+		$reshook = $hookmanager->executeHooks('addSectionECMAuto', $parameters);
+		if ($reshook > 0 && is_array($hookmanager->resArray) && count($hookmanager->resArray) > 0) {
+			$upload_dir = $hookmanager->resArray['directory'];
+		}
+	}
 
 	// Automatic list
 	if (in_array($module, $automodules))
diff --git a/htdocs/core/class/hookmanager.class.php b/htdocs/core/class/hookmanager.class.php
index d610203b3ad..9ecd6a659a1 100644
--- a/htdocs/core/class/hookmanager.class.php
+++ b/htdocs/core/class/hookmanager.class.php
@@ -161,6 +161,7 @@ class HookManager
 				'addMoreMassActions',
 				'addSearchEntry',
 				'addStatisticLine',
+				'addSectionECMAuto',
 				'createDictionaryFieldlist',
 				'editDictionaryFieldlist',
 				'getFormMail',
diff --git a/htdocs/core/class/html.formfile.class.php b/htdocs/core/class/html.formfile.class.php
index 6f31f0ff8de..c9c895148bf 100644
--- a/htdocs/core/class/html.formfile.class.php
+++ b/htdocs/core/class/html.formfile.class.php
@@ -1570,6 +1570,20 @@ class FormFile
 		{
 			include_once DOL_DOCUMENT_ROOT.'/mrp/class/mo.class.php';
 			$object_instance = new Mo($this->db);
+		} else {
+			$parameters = array('modulepart'=>$modulepart);
+			$reshook = $hookmanager->executeHooks('addSectionECMAuto', $parameters);
+			if ($reshook > 0 && is_array($hookmanager->resArray) && count($hookmanager->resArray)>0)
+			{
+				if (array_key_exists('classpath', $hookmanager->resArray) && !empty($hookmanager->resArray['classpath'])) {
+					dol_include_once($hookmanager->resArray['classpath']);
+					if (array_key_exists('classname', $hookmanager->resArray) && !empty($hookmanager->resArray['classname'])) {
+						if (class_exists($hookmanager->resArray['classname'])) {
+							$object_instance = new ${$hookmanager->resArray['classname']}($this->db);
+						}
+					}
+				}
+			}
 		}
 
 		//var_dump($filearray);
@@ -1623,6 +1637,17 @@ class FormFile
 					'banque'))) {
 					preg_match('/(.*)\/[^\/]+$/', $relativefile, $reg); $ref = (isset($reg[1]) ? $reg[1] : '');
 				} else {
+					$parameters = array('modulepart'=>$modulepart,'fileinfo'=>$file);
+					$reshook = $hookmanager->executeHooks('addSectionECMAuto', $parameters);
+					if ($reshook > 0 && is_array($hookmanager->resArray) && count($hookmanager->resArray)>0)
+					{
+						if (array_key_exists('ref', $hookmanager->resArray) && !empty($hookmanager->resArray['ref'])) {
+							$ref = $hookmanager->resArray['ref'];
+						}
+						if (array_key_exists('id', $hookmanager->resArray) && !empty($hookmanager->resArray['id'])) {
+							$id = $hookmanager->resArray['id'];
+						}
+					}
 					//print 'Error: Value for modulepart = '.$modulepart.' is not yet implemented in function list_of_autoecmfiles'."\n";
 				}
 
diff --git a/htdocs/ecm/index_auto.php b/htdocs/ecm/index_auto.php
index 452f06efb0a..ae7aa840ab9 100644
--- a/htdocs/ecm/index_auto.php
+++ b/htdocs/ecm/index_auto.php
@@ -81,6 +81,9 @@ $error = 0;
  *	Actions
  */
 
+// Initialize technical object to manage hooks of page. Note that conf->hooks_modules contains array of hook context
+$hookmanager->initHooks(array('ecmautocard', 'globalcard'));
+
 // Purge search criteria
 if (GETPOST('button_removefilter_x', 'alpha') || GETPOST('button_removefilter.x', 'alpha') || GETPOST('button_removefilter', 'alpha')) // All tests are required to be compatible with all browsers
 {
@@ -327,6 +330,14 @@ if (!empty($conf->global->ECM_AUTO_TREE_ENABLED))
 	if (!empty($conf->mrp->enabled)) { $langs->load("mrp"); $rowspan++; $sectionauto[] = array('level'=>1, 'module'=>'mrp-mo', 'test'=>$conf->mrp->enabled, 'label'=>$langs->trans("MOs"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("ManufacturingOrders"))); }
 	if (!empty($conf->recruitment->enabled)) { $langs->load("recruitment"); $rowspan++; $sectionauto[] = array('level'=>1, 'module'=>'recruitment-recruitmentcandidature', 'test'=>$conf->recruitment->enabled, 'label'=>$langs->trans("Candidatures"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("JobApplications"))); }
 	$rowspan++; $sectionauto[] = array('level'=>1, 'module'=>'user', 'test'=>1, 'label'=>$langs->trans("Users"), 'desc'=>$langs->trans("ECMDocsBy", $langs->transnoentitiesnoconv("Users")));
+
+	$parameters = array();
+	$reshook = $hookmanager->executeHooks('addSectionECMAuto', $parameters);
+	if ($reshook > 0 && is_array($hookmanager->resArray) && count($hookmanager->resArray)>0)
+	{
+		$sectionauto[]=$hookmanager->resArray;
+		$rowspan += count($hookmanager->resArray);
+	}
 }
 
 $head = ecm_prepare_dasboard_head('');