diff --git a/Yavsc/Interfaces/Workflow/IEvent.cs b/Yavsc/Interfaces/Workflow/IEvent.cs
index df7a8714..460df0b5 100644
--- a/Yavsc/Interfaces/Workflow/IEvent.cs
+++ b/Yavsc/Interfaces/Workflow/IEvent.cs
@@ -1,19 +1,22 @@
 
+namespace Yavsc.Interfaces.Workflow {
+    public interface IEvent {
+        /// <summary>
+        /// <c>/topic/(bookquery|estimate)</c>
+        /// </summary>
+        /// <returns></returns>
+        string Topic { get; set ; }
+        /// <summary>
+        /// Should be the user's name
+        /// </summary>
+        /// <returns></returns>
+        string Sender { get; set ; }
+        /// <summary>
+        /// The message 
+        /// </summary>
+        /// <returns></returns>
+        string Message { get; set; }
+    }
+
 
-public interface IEvent {
-    /// <summary>
-    /// <c>/topic/(bookquery|estimate)</c>
-    /// </summary>
-    /// <returns></returns>
-    string Topic { get; set ; }
-    /// <summary>
-    /// Should be the user's name
-    /// </summary>
-    /// <returns></returns>
-    string Sender { get; set ; }
-    /// <summary>
-    /// The message 
-    /// </summary>
-    /// <returns></returns>
-    string Message { get; set; }
 }
\ No newline at end of file
diff --git a/Yavsc/Models/Billing/CommandLine.cs b/Yavsc/Models/Billing/CommandLine.cs
index 75f3b381..cd55e5ce 100644
--- a/Yavsc/Models/Billing/CommandLine.cs
+++ b/Yavsc/Models/Billing/CommandLine.cs
@@ -16,6 +16,8 @@ namespace Yavsc.Models.Billing
      public string Description { get; set; }
      public BaseProduct Article { get; set; }
      public int Count { get; set; }
+
+     [DisplayFormat(DataFormatString="{0:C}")]
      public decimal UnitaryCost { get; set; }
 
      public long EstimateId { get; set; }
diff --git a/Yavsc/Models/Billing/Estimate.cs b/Yavsc/Models/Billing/Estimate.cs
index 64031b75..01e5d906 100644
--- a/Yavsc/Models/Billing/Estimate.cs
+++ b/Yavsc/Models/Billing/Estimate.cs
@@ -9,6 +9,7 @@ namespace Yavsc.Models.Billing
 {
     using Interfaces;
     using Models.Workflow;
+    using Newtonsoft.Json;
 
     public partial class Estimate : IEstimate
     {
@@ -22,7 +23,7 @@ namespace Yavsc.Models.Billing
         /// it will result in a new estimate template
         /// </summary>
         /// <returns></returns>
-        [ForeignKey("CommandId")]
+        [ForeignKey("CommandId"),JsonIgnore]
         public BookQuery Query { get; set; }
         public string Description { get; set; }
         public string Title { get; set; }
@@ -62,12 +63,12 @@ namespace Yavsc.Models.Billing
         [Required]
         public string OwnerId { get; set; }
 
-        [ForeignKey("OwnerId")]
+        [ForeignKey("OwnerId"),JsonIgnore]
         public virtual PerformerProfile Owner { get; set; }
 
         [Required]
         public string ClientId { get; set; }
-        [ForeignKey("ClientId")]
+        [ForeignKey("ClientId"),JsonIgnore]
         public virtual ApplicationUser Client { get; set; }
 
         public string CommandType
diff --git a/Yavsc/Models/Messaging/BookQueryEvent.cs b/Yavsc/Models/Messaging/BookQueryEvent.cs
index d7544aa3..2e4a4bb5 100644
--- a/Yavsc/Models/Messaging/BookQueryEvent.cs
+++ b/Yavsc/Models/Messaging/BookQueryEvent.cs
@@ -1,7 +1,3 @@
-
-namespace Yavsc.Models.Messaging
-{
-
 //
 //  BookQueryEvent.cs
 //
@@ -23,6 +19,12 @@ namespace Yavsc.Models.Messaging
 //  You should have received a copy of the GNU Lesser General Public License
 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+namespace Yavsc.Models.Messaging
+{
+using Interfaces.Workflow;
+
+
+
 public class BookQueryEvent: BookQueryProviderInfo, IEvent
 	{
         public BookQueryEvent()
diff --git a/Yavsc/Models/Messaging/EstimationEvent.cs b/Yavsc/Models/Messaging/EstimationEvent.cs
index 31c24c15..66133e8c 100644
--- a/Yavsc/Models/Messaging/EstimationEvent.cs
+++ b/Yavsc/Models/Messaging/EstimationEvent.cs
@@ -1,16 +1,23 @@
 using System.Linq;
+using Microsoft.Data.Entity;
 using Microsoft.Extensions.Localization;
-using Yavsc.Helpers;
-using Yavsc.Models.Billing;
 
 namespace Yavsc.Models.Messaging
 {
+    using Interfaces.Workflow;
+    using Billing;
+    using Yavsc.Helpers;
+    using System;
+
     public class EstimationEvent: IEvent
     {
         public EstimationEvent(ApplicationDbContext context, Estimate estimate, IStringLocalizer SR)
         {
+            Topic = "Estimation";
             Estimation = estimate;
-            var perfer = context.Performers.FirstOrDefault(
+            var perfer = context.Performers.Include(
+                p=>p.Performer
+            ).FirstOrDefault(
                 p => p.PerformerId == estimate.OwnerId
             );
             // Use estimate.OwnerId;
@@ -27,28 +34,19 @@ namespace Yavsc.Models.Messaging
         ProviderClientInfo ProviderInfo { get; set; }
         Estimate Estimation { get; set; }
 
-        private string subtopic = null;
-        string IEvent.Topic
-        {
-            get
-            {
-                return "/topic/estimate"+subtopic!=null?"/"+subtopic:"";
-            }
-
-            set
-            {
-                subtopic = value;
-            }
-        }
-
-        string IEvent.Sender
-        {
-           get; set;
-        }
-
-        string IEvent.Message
+        public string Topic
         {
             get; set;
         }
+
+        public string Sender
+        {
+            get; set;
+        }
+
+        public string Message
+        {
+             get; set;
+        }
     }
 }
\ No newline at end of file
diff --git a/Yavsc/Resources/Yavsc.Resources.YavscLocalisation.resx b/Yavsc/Resources/Yavsc.Resources.YavscLocalisation.resx
index 4ea89a52..0a7b4e3c 100644
--- a/Yavsc/Resources/Yavsc.Resources.YavscLocalisation.resx
+++ b/Yavsc/Resources/Yavsc.Resources.YavscLocalisation.resx
@@ -212,14 +212,13 @@
   <data name="EstimateToProduce"><value>Demandes de Devis en souffrance</value></data>
   <data name="EstimateToSignAsPro"><value>Devis à valider</value></data>
   <data name="EstimateToSignAsCli"><value>Devis à accèpter ou refuser</value></data>
+  <data name="EstimationMessageToClient"><value>{0} à validé et évalué votre demande, avec un devis à {1:C}</value></data>
+  
   <data name="EventDate"><value>Date de l'évennement</value></data>
   
   <data name="BillToSignAsPro"><value>Factures à produire</value></data>
   <data name="BillToSignAsCli"><value>Factures à honnorer</value></data>
   <data name="PayementsDone"><value>Paiements effectués</value></data>
-
-  <data name="EstimationMessageToClient"><value>{0} a validé un devis pour vous : {1}\nAu total : {2} €
-  Il attend maintenant votre signature.</value></data>
   <data name="EstimateWanted"><value>Demande de devis</value></data>
   <data name="Event date"><value>Date de l'évennement</value></data>
   <data name="EventWebPage"><value>Page web de l'événement</value></data>
diff --git a/Yavsc/Views/Estimate/Index.cshtml b/Yavsc/Views/Estimate/Index.cshtml
index 85fdf739..6decbb57 100644
--- a/Yavsc/Views/Estimate/Index.cshtml
+++ b/Yavsc/Views/Estimate/Index.cshtml
@@ -12,10 +12,10 @@
 <table class="table">
     <tr>
         <th>
-            @Html.DisplayNameFor(model => model.Description)
+            @Html.DisplayNameFor(model => model.Title)
         </th>
         <th>
-            @Html.DisplayNameFor(model => model.Title)
+            @Html.DisplayNameFor(model => model.Description)
         </th>
         <th>
             @Html.DisplayNameFor(model => model.Query.Client)
@@ -23,6 +23,9 @@
         <th>
             @SR["Performer"]
         </th>
+        <th>
+            @Html.DisplayNameFor(model => model.ProviderValidationDate)
+        </th>
         <th>
             @SR["Id"]
         </th>
@@ -32,10 +35,10 @@
 @foreach (var item in Model) {
     <tr>
         <td>
-            @Html.DisplayFor(modelItem => item.Description)
+            @Html.DisplayFor(modelItem => item.Title)
         </td>
         <td>
-            @Html.DisplayFor(modelItem => item.Title)
+            @Html.DisplayFor(modelItem => item.Description)
         </td>
         <td>
             @Html.DisplayFor(modelItem => item.Query.Client.UserName)
@@ -43,6 +46,9 @@
         <td>
             @Html.DisplayFor(modelItem => item.Query.PerformerProfile.Performer.UserName)
         </td>
+        <td>
+            @Html.DisplayFor(modelItem => item.ProviderValidationDate)
+        </td>
         <td>
             @Html.DisplayFor(modelItem => item.Id)
         </td>
diff --git a/Yavsc/Views/Shared/DisplayTemplates/Estimate.cshtml b/Yavsc/Views/Shared/DisplayTemplates/Estimate.cshtml
index 3dd0133d..7ef58e0c 100644
--- a/Yavsc/Views/Shared/DisplayTemplates/Estimate.cshtml
+++ b/Yavsc/Views/Shared/DisplayTemplates/Estimate.cshtml
@@ -1,4 +1,5 @@
 @model Estimate
+
     <dl class="dl-horizontal">
         <dt>
             @Html.DisplayNameFor(model => model.Title)
@@ -23,5 +24,8 @@
             }
         </dd>
     </dl>
-</div>
+    <label>Signature fournisseur : 
+     <img src="/api/pdfestimate/prosign/@Model.Id" alt="" style="height:100px; background-color: white;">
+    </label>
+    
 @await Component.InvokeAsync("Estimate",Model.Id)