diff --git a/db-schema.xml b/db-schema.xml
index 315e7adce5ba8bdb11215b753dac5f9779c98040..7bdf5757a93cb2939997baf25f730134b2916c8a 100644
--- a/db-schema.xml
+++ b/db-schema.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <!-- SQL XML created by WWW SQL Designer, https://github.com/ondras/wwwsqldesigner/ -->
-<!-- Active URL: https://croll.fr/sqldesigner/ -->
+<!-- Active URL: https://sqldesigner.dev.arkeogis.org/ -->
 <sql>
 <datatypes db="postgresql">
 	<group label="Numeric" color="rgb(238,238,170)">
@@ -172,7 +172,7 @@
 <part>id</part>
 </key>
 </table>
-<table x="1341" y="894" name="chronology">
+<table x="1324" y="918" name="chronology">
 <row name="id" null="0" autoincrement="1">
 <datatype>INTEGER</datatype>
 <comment>xmltopsql:"ondelete:cascade"</comment>
@@ -197,6 +197,12 @@
 <row name="updated_at" null="0" autoincrement="0">
 <datatype>TIMESTAMP</datatype>
 </row>
+<row name="id_ark_periodo" null="0" autoincrement="0">
+<datatype>VARCHAR(255)</datatype>
+</row>
+<row name="id_ark_pactols" null="0" autoincrement="0">
+<datatype>VARCHAR(255)</datatype>
+</row>
 <key type="PRIMARY" name="">
 <part>id</part>
 </key>
diff --git a/model/model.go b/model/model.go
index 2d141f49566f9454b664a0409cdfbba5693677e0..d8c408e8145d32275207cc56856e0902a883b349 100644
--- a/model/model.go
+++ b/model/model.go
@@ -1,8 +1,8 @@
 package model
 
 import (
-	"time"
 	"database/sql"
+	"time"
 )
 
 type Charac struct {
@@ -41,6 +41,8 @@ type Chronology struct {
 	Color	string	`db:"color" json:"color"`
 	Created_at	time.Time	`db:"created_at" json:"created_at"`
 	Updated_at	time.Time	`db:"updated_at" json:"updated_at"`
+	Id_ark_periodo	string	`db:"id_ark_periodo" json:"id_ark_periodo"`
+	Id_ark_pactols	string	`db:"id_ark_pactols" json:"id_ark_pactols"`
 }
 
 
@@ -521,9 +523,9 @@ const Company_UpdateStr = "\"name\" = :name, \"city_geonameid\" = :city_geonamei
 const Project_InsertStr = "\"name\", \"user_id\", \"created_at\", \"updated_at\", \"start_date\", \"end_date\", \"geom\""
 const Project_InsertValuesStr = ":name, :user_id, now(), now(), :start_date, :end_date, :geom"
 const Project_UpdateStr = "\"name\" = :name, \"user_id\" = :user_id, \"updated_at\" = now(), \"start_date\" = :start_date, \"end_date\" = :end_date, \"geom\" = :geom"
-const Chronology_InsertStr = "\"parent_id\", \"start_date\", \"end_date\", \"color\", \"created_at\", \"updated_at\""
-const Chronology_InsertValuesStr = ":parent_id, :start_date, :end_date, :color, now(), now()"
-const Chronology_UpdateStr = "\"parent_id\" = :parent_id, \"start_date\" = :start_date, \"end_date\" = :end_date, \"color\" = :color, \"updated_at\" = now()"
+const Chronology_InsertStr = "\"parent_id\", \"start_date\", \"end_date\", \"color\", \"created_at\", \"updated_at\", \"id_ark_periodo\", \"id_ark_pactols\""
+const Chronology_InsertValuesStr = ":parent_id, :start_date, :end_date, :color, now(), now(), :id_ark_periodo, :id_ark_pactols"
+const Chronology_UpdateStr = "\"parent_id\" = :parent_id, \"start_date\" = :start_date, \"end_date\" = :end_date, \"color\" = :color, \"updated_at\" = now(), \"id_ark_periodo\" = :id_ark_periodo, \"id_ark_pactols\" = :id_ark_pactols"
 const Chronology_tr_InsertStr = "\"name\", \"description\""
 const Chronology_tr_InsertValuesStr = ":name, :description"
 const Chronology_tr_UpdateStr = "\"name\" = :name, \"description\" = :description"