diff --git a/EPAServeur/IServices/IFormationService.cs b/EPAServeur/IServices/IFormationService.cs
index 4a5e172..0fbf2f3 100644
--- a/EPAServeur/IServices/IFormationService.cs
+++ b/EPAServeur/IServices/IFormationService.cs
@@ -10,31 +10,17 @@ namespace EPAServeur.IServices
 {
 	public interface IFormationService
 	{
-		FormationDTO GetFormationById(long? idFormation);
-		Task<FormationDTO> GetFormationByIdAsync(long? idFormation);
-		IEnumerable<FormationDTO> GetFormations(bool? asc, int? numPage, int? parPAge, long? idAgence, int? statutFormation, string texte, string tri);
-		Task<IEnumerable<FormationDTO>> GetFormationsAsync(bool? asc, int? numPage, int? parPAge, long? idAgence, int? statutFormation, string texte, string tri);
-		IEnumerable<FormationDTO> GetFormationAnnulees(bool? asc, int? numPage, int? parPAge, long? idAgence, string texte, string tri);
-		Task<IEnumerable<FormationDTO>> GetFormationAnnuleesAsync(bool? asc, int? numPage, int? parPAge, long? idAgence, string texte, string tri);
-		IEnumerable<FormationDTO> GetFormationRealisees(bool? asc, int? numPage, int? parPAge, long? idAgence, string texte, string tri);
-		Task<IEnumerable<FormationDTO>> GetFormationRealiseesAsync(bool? asc, int? numPage, int? parPAge, long? idAgence, string texte, string tri);
-		IEnumerable<FormationDTO> GetProchainesFormation(bool? asc, int? numPage, int? parPAge, long? idAgence, string texte, string tri);
-		Task<IEnumerable<FormationDTO>> GetProchainesFormationAsync(bool? asc, int? numPage, int? parPAge, long? idAgence, string texte, string tri);
-		IEnumerable<ModeFormationDTO> GetModesFormation();
+		Task<FormationDTO> GetFormationByIdAsync(long idFormation);
+		Task<IEnumerable<FormationDTO>> GetFormationsAsync(long? idAgence, List<int?> idStatuts, bool? asc, int? numPage, int? parPage, string texte, string tri, DateTime? dateDebut, DateTime? dateFin);
+		Task<long> GetFormationsCountAsync(long? idAgence, List<int?> idStatuts, int? numPage, int? parPage, string texte, DateTime? dateDebut, DateTime? dateFin);
 		Task<IEnumerable<ModeFormationDTO>> GetModesFormationAsync();
-		IEnumerable<OrigineFormationDTO> GetOriginesFormation();
 		Task<IEnumerable<OrigineFormationDTO>> GetOriginesFormationAsync();
-		IEnumerable<StatutFormationDTO> GetStatutsFormation();
 		Task<IEnumerable<StatutFormationDTO>> GetStatutsFormationAsync();
-		IEnumerable<TypeFormationDTO> GetTypesFormation();
 		Task<IEnumerable<TypeFormationDTO>> GetTypesFormationAsync();
 
-		FormationDTO AddFormation(FormationDTO formationDTO);
 		Task<FormationDTO> AddFormationAsync(FormationDTO formationDTO);
-		FormationDTO UpdateFormation(long? idFormation, FormationDTO formationDTO);
-		Task<FormationDTO> UpdateFormationAsync(long? idFormation, FormationDTO formationDTO);
-		FormationDTO DeleteFormationById(long? idFormation);
-		Task<FormationDTO> DeleteFormationByIdAsync(long? idFormation);
+		Task<FormationDTO> UpdateFormationAsync(long idFormation, FormationDTO formationDTO);
+		Task<FormationDTO> DeleteFormationByIdAsync(long idFormation);
 
 	}
 }