Added notes.

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/AbpAspNetMultiTenancyModule.cs

@@ -12,6 +12,13 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
             services.Configure<MultiTenancyOptions>(options =>
             {
                 options.TenantResolvers.Insert(0, new QueryStringTenantResolver());
+                //TODO: Web tenant resolvers:
+                // values can be tenant id or name, should be validated first by an abstraction (say, ITenantStore over ITenantManager)!
+                //- domain/subdomain (not added by default)
+                //- route {tenantId}
+                //+ querystring
+                //- header
+                //- cookie
             });
 
             services.AddAssemblyOf<AbpAspNetMultiTenancyModule>();

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/QueryStringTenantResolver.cs

@@ -6,7 +6,7 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class QueryStringTenantResolver : ITenantResolver, ITransientDependency
     {
-        public const string TenantIdKey = "_Abp.TenantId";
+        public const string TenantIdKey = "__tenantId";
         
         public void Resolve(ICurrentTenantResolveContext context)
         {

test/Volo.Abp.AspNetCore.MultiTenancy.Tests/Volo/Abp/AspNetCore/MultiTenancy/AspNetCoreMultiTenancy_Tests.cs

@@ -23,7 +23,5 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
             var result = await GetResponseAsObjectAsync<Dictionary<string, string>>($"http://abp.io?{QueryStringTenantResolver.TenantIdKey}={testTenantId}");
             result["TenantId"].ShouldBe(testTenantId);
         }
-
-        //TODO: Specify tenant in the header, cookie, domain, subdomain, route, querystring and so on...
     }
 }