diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index ca76eae42..601a26f5b 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -223,7 +223,8 @@
 	"printerNotExists": "The printer does not exist",
 	"There are not picking tickets": "There are not picking tickets",
 	"ticketCommercial": "The ticket {{ ticket }} for the salesperson {{ salesMan }} is in preparation. (automatically generated message)",
-    "This password can only be changed by the user themselves": "This password can only be changed by the user themselves",
-    "They're not your subordinate": "They're not your subordinate",
-	"InvoiceIn is already booked": "InvoiceIn is already booked"
-}
+	"This password can only be changed by the user themselves": "This password can only be changed by the user themselves",
+	"They're not your subordinate": "They're not your subordinate",
+	"InvoiceIn is already booked": "InvoiceIn is already booked",
+	"This workCenter is already assigned to this agency": "This workCenter is already assigned to this agency"
+}
\ No newline at end of file
diff --git a/modules/worker/back/models/worker.json b/modules/worker/back/models/worker.json
index adfe2c58e..4e7617aab 100644
--- a/modules/worker/back/models/worker.json
+++ b/modules/worker/back/models/worker.json
@@ -62,7 +62,23 @@
         },
         "isFreelance": {
             "type" : "boolean"
+        },
+        "fiDueDate": {
+            "type": "date"
+        },
+        "hasMachineryAuthorized": {
+            "type": "boolean"
+        },
+        "seniority": {
+            "type": "date"
+        },
+        "isDisable": {
+            "type": "boolean"
+        },
+        "isSsDiscounted": {
+            "type": "boolean"
         }
+
     },
     "relations": {
         "user": {