diff --git a/admin/themes/default/js/history.js b/admin/themes/default/js/history.js
index f15fa4c18..6dbfd9387 100644
--- a/admin/themes/default/js/history.js
+++ b/admin/themes/default/js/history.js
@@ -114,8 +114,8 @@ function fillSummaryResult(summary) {
 
   if ((summary.GUESTS.split(" ")[0] != "0")) {
     $(".summary-guests .summary-data").addClass("icon-plus-circled").on("click", function () {
-      if (current_param.user == "-1") {
-        current_param.user = guest_id;
+      if (current_param.user_id == "-1") {
+        current_param.user_id = guest_id;
         addGuestFilter(str_guest);
         fillHistoryResult(current_param);
       }
@@ -155,8 +155,8 @@ function fillSummaryResult(summary) {
       new_user_item.data("user-id", id_of[key]);
   
       new_user_item.on("click", function () {
-        if (current_param.user != id_of[key]) {
-          current_param.user = $(this).data("user-id");
+        if (current_param.user_id != id_of[key]) {
+          current_param.user_id = $(this).data("user-id");
           addUserFilter(key)
           fillHistoryResult(current_param);
         }
@@ -272,9 +272,9 @@ function lineConstructor(line, id, imageDisplay) {
   newLine.find(".user-name").html(line.USERNAME + '<i class="add-filter icon-plus-circled"></i>');
 
   newLine.find(".user-name").attr("id", line.USERID);
-  if (current_param.user == "-1") {
+  if (current_param.user_id == "-1") {
     newLine.find(".user-name").on("click", function ()  {
-      current_param.user = $(this).attr('id') + "";
+      current_param.user_id = $(this).attr('id') + "";
       current_param.pageNumber = 0;
       addUserFilter($(this).html());
       fillHistoryResult(current_param);
@@ -422,7 +422,7 @@ function addUserFilter(username) {
   newFilter.find(".remove-filter").on("click", function () {
     $(this).parent().remove();
 
-    current_param.user = "-1";
+    current_param.user_id = "-1";
     current_param.pageNumber = 0;
     fillHistoryResult(current_param);
     checkFilters();
@@ -444,7 +444,7 @@ function addGuestFilter(username) {
   newFilter.find(".remove-filter").on("click", function () {
     $(this).parent().remove();
 
-    current_param.user = "-1";
+    current_param.user_id = "-1";
     current_param.pageNumber = 0;
     fillHistoryResult(current_param);
     checkFilters();
diff --git a/admin/themes/default/template/history.tpl b/admin/themes/default/template/history.tpl
index 9de626455..a6730faf7 100644
--- a/admin/themes/default/template/history.tpl
+++ b/admin/themes/default/template/history.tpl
@@ -24,7 +24,7 @@ var current_param = {
     2: "high",
     3: "other"
   },
-  user: "-1",
+  user_id: "-1",
   image_id: "",
   filename: "",
   ip: "",
diff --git a/include/ws_functions/pwg.php b/include/ws_functions/pwg.php
index d73111586..b78685f13 100644
--- a/include/ws_functions/pwg.php
+++ b/include/ws_functions/pwg.php
@@ -674,7 +674,7 @@ function ws_history_search($param, &$service)
   }
 
   // user
-  $search['fields']['user'] = intval($param['user']);
+  $search['fields']['user'] = intval($param['user_id']);
 
   // image
   if (!empty($param['image_id']))
diff --git a/ws.php b/ws.php
index 31e2d88d8..47467dd7d 100644
--- a/ws.php
+++ b/ws.php
@@ -1309,8 +1309,47 @@ enabled_high, registration_date, registration_date_string, registration_date_sin
   $service->addMethod(
       'pwg.history.search',
       'ws_history_search',
-      null,
-      'Gives an history of who has visited the galery and the actions done in it. Receives parameter.',
+      array(
+        'start' => array(
+          'default' => null
+        ),
+        'end' => array(
+          'default' => null
+        ),
+        'types' => array(
+          'flags'=>WS_PARAM_FORCE_ARRAY,
+          'default' => array(
+            'none',
+            'picture',
+            'high',
+            'other',
+          )
+        ),
+        'user_id' => array(
+          'default' => -1,
+        ),
+        'image_id' => array(
+          'default' => null,
+          'type' => WS_TYPE_ID,
+        ),
+        'filename' => array(
+          'default' => null
+        ),
+        'ip' => array(
+          'default' => null
+        ),
+        'display_thumbnail' => array(
+          'default' => 'display_thumbnail_classic'
+        ),
+        'pageNumber' => array(
+          'default' => null,
+          'type' => WS_TYPE_INT|WS_TYPE_POSITIVE,
+        ),
+      ),
+      'Gives an history of who has visited the galery and the actions done in it. Receives parameter.
+      <br> <strong>Types </strong> can be : \'none\', \'picture\', \'high\', \'other\' 
+      <br> <strong>Date format</strong> is yyyy-mm-dd
+      <br> <strong>display_thumbnail</strong> can be : \'no_display_thumbnail\', \'display_thumbnail_classic\', \'display_thumbnail_hoverbox\'',
       $ws_functions_root . 'pwg.php'
     );
 }