diff --git a/Sources/apiLOL/Controllers/ControllerChampions.cs b/Sources/apiLOL/Controllers/ControllerChampions.cs
index cfc0d31..0817c85 100644
--- a/Sources/apiLOL/Controllers/ControllerChampions.cs
+++ b/Sources/apiLOL/Controllers/ControllerChampions.cs
@@ -6,38 +6,38 @@ using Model;
 
 namespace apiLOL.Controllers
 {
-    [ApiController]
+	[ApiController]
 	[Route("api/v1/[controller]")]
 	[ApiVersion("1.0")]
 
 	public class ControllerChampions : Controller
 	{
-		private readonly IDataManager data;
-		// EFdata manager qui implémente l'interface IDataManager
-		// coté client : Refaire un APIdata manager qui implémente l'interface IDataManager
+		private readonly IDataManager _data;
 		private readonly ILogger _logger;
 
 		public ControllerChampions(IDataManager manager, ILogger<ControllerChampions> log)
 		{
-			data = manager;
+			_data = manager;
 			_logger = log;
 		}
 
 
-		// GET: api/<ControllerLol>
 		[HttpGet]
-		public async Task<IActionResult> Get([FromQuery]int index = 0, int count = 10, string? name = "")
+		[ProducesResponseType(typeof(ChampionPageDTO), 200)]
+		public async Task<IActionResult> Get([FromQuery] int index = 0, int count = 10, string? name = "")
 		{
+
 			_logger.LogInformation($"methode Get de ControllerChampions appelée index:{index}, count: {count} et name:{name}");
-			int nbChampions = await data.ChampionsMgr.GetNbItems();
+			int nbChampions = await _data.ChampionsMgr.GetNbItems();
 			_logger.LogInformation($"Nombre de champions : {nbChampions}");
 
-			//var champs = (await data.ChampionsMgr.GetItems(index, count)).Where(Model => Model.Name.Contains(name)).Select(Model => Model.ToDTO());
-			var champs = (await data.ChampionsMgr.GetItems(index, await data.ChampionsMgr.GetNbItems())).Where(Model => Model.Name.Contains(name)).Skip(index * count).Take(count).Select(Model => Model.ToDTO());
+			var champions = await _data.ChampionsMgr.GetItems(index, nbChampions);
+			var filteredChampions = champions.Where(Model => Model.Name.Contains(name)).Skip(index * count).Take(count);
+			var championDTO = filteredChampions.Select(Model => Model.ToDTO());
 
 			var page = new ChampionPageDTO
 			{
-				Data = (IEnumerable<ChampionDTO>)champs,
+				Data = championDTO,
 				Index = index,
 				Count = count,
 				TotalCount = nbChampions
@@ -46,26 +46,25 @@ namespace apiLOL.Controllers
 		}
 
 
-		// GET api/<ControllerLol>/Charle
 		[HttpGet]
 		[Route("{name}")]
+		[ProducesResponseType(typeof(ChampionDTO), 200)]
 		public async Task<IActionResult> GetChampion(string name)
 		{
 			_logger.LogInformation($"methode GetChampion de ControllerChampions appelée avec le paramètre {name}");
 			try
 			{
-				var champs = (await data.ChampionsMgr.GetItemsByName(name, 0, 1));
+				var champs = (await _data.ChampionsMgr.GetItemsByName(name, 0, 1));
 				return Ok(champs.First().ToDTO());
 			}
-            catch(Exception ex)
-            {
+			catch (Exception ex)
+			{
 				_logger.LogError($"erreur methode Get de ControllerChampions: {ex}");
 				return BadRequest("erreur de nom de champion");
-            }
+			}
 		}
 
 
-		// POST api/<ControllerLol>
 		[HttpPost]
 		public async Task<IActionResult> Post(ChampionDTO champDTO)
 		{
@@ -73,9 +72,9 @@ namespace apiLOL.Controllers
 			try
 			{
 				Champion tmp = champDTO.ToModel();
-				Champion champion = await data.ChampionsMgr.AddItem(tmp);
+				Champion champion = await _data.ChampionsMgr.AddItem(tmp);
 				ChampionDTO dtoChamp = champion.ToDTO();
-				return CreatedAtAction(nameof(GetChampion), new { name = dtoChamp.Name }, dtoChamp);
+				return CreatedAtAction(nameof(GetChampion), new {name = dtoChamp.Name}, dtoChamp);
 			}
 			catch (Exception ex)
 			{
@@ -84,15 +83,15 @@ namespace apiLOL.Controllers
 			}
 		}
 
-		// PUT api/<ControllerLol>/5
 		[HttpPut("{name}")]
 		public async Task<IActionResult> Put(string name, string bio)
 		{
-			_logger.LogInformation($"methode Put de ControllerChampions appelée avec le paramètre name: {name} et bio: {bio}");
+			_logger.LogInformation(
+				$"methode Put de ControllerChampions appelée avec le paramètre name: {name} et bio: {bio}");
 
 			try
 			{
-				var champs = (await data.ChampionsMgr.GetItemsByName(name, 0, 1)).First();
+				var champs = (await _data.ChampionsMgr.GetItemsByName(name, 0, 1)).First();
 				champs.Bio = bio;
 				return Ok(champs.ToDTO());
 			}
@@ -103,7 +102,6 @@ namespace apiLOL.Controllers
 			}
 		}
 
-		// DELETE api/<ControllerLol>/5
 		[HttpDelete("{name}")]
 		public async Task<IActionResult> Delete(string name)
 		{
@@ -111,8 +109,8 @@ namespace apiLOL.Controllers
 
 			try
 			{
-				var champ = (await data.ChampionsMgr.GetItemsByName(name, 0, 1)).First();
-				await data.ChampionsMgr.DeleteItem(champ);
+				var champ = (await _data.ChampionsMgr.GetItemsByName(name, 0, 1)).First();
+				await _data.ChampionsMgr.DeleteItem(champ);
 				return Ok(champ.ToDTO());
 			}
 			catch (Exception ex)
@@ -123,4 +121,41 @@ namespace apiLOL.Controllers
 		}
 
 	}
+
+	[ApiController]
+	[Route("api/v2/[controller]")]
+	[ApiVersion("2.0")]
+
+	public class ControllerChampionsSecondVersion : Controller
+	{
+		private readonly ILogger _logger;
+
+		public ControllerChampionsSecondVersion(ILogger<ControllerChampions> log)
+		{
+			_logger = log;
+		}
+
+
+		[HttpGet()]
+		public string Get(int id)
+		{
+			return "Version 2 of GET";
+		}
+
+		[HttpPost]
+		public void Post([FromBody] string value)
+		{
+		}
+
+		[HttpPut("{id}")]
+		public void Put(int id, [FromBody] string value)
+		{
+		}
+
+		[HttpDelete("{id}")]
+		public void Delete(int id)
+		{
+		}
+
+	}
 }
\ No newline at end of file
diff --git a/Sources/apiLOL/Program.cs b/Sources/apiLOL/Program.cs
index 4535ba4..80d2be9 100644
--- a/Sources/apiLOL/Program.cs
+++ b/Sources/apiLOL/Program.cs
@@ -1,3 +1,5 @@
+using Microsoft.AspNetCore.Mvc.Versioning;
+using Microsoft.AspNetCore.Mvc;
 using Model;
 using StubLib;
 
@@ -10,18 +12,27 @@ builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
 
-builder.Services.AddSingleton<IDataManager,StubData>();
+builder.Services.AddSingleton<IDataManager, StubData>();
 // Scoped et Transient sont des types de cycle de vie
 // Transient : une instance a chaque contruction d'objet
 // Scoped : une instance par requete client
 
+// Configure API versioning
+builder.Services.AddApiVersioning(options =>
+{
+	options.ReportApiVersions = true;
+	options.AssumeDefaultVersionWhenUnspecified = true;
+	options.DefaultApiVersion = new ApiVersion(1, 0);
+	options.ApiVersionReader = new HeaderApiVersionReader("api-version");
+});
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
-    app.UseSwagger();
-    app.UseSwaggerUI();
+	app.UseSwagger();
+	app.UseSwaggerUI();
 }
 
 app.UseHttpsRedirection();
@@ -30,4 +41,4 @@ app.UseAuthorization();
 
 app.MapControllers();
 
-app.Run();
+app.Run();
\ No newline at end of file