Endpoint/Configuration/SwaggerDefaultValues.cs

@@ -6,7 +6,7 @@ using System;
 using System.Linq;
 using System.Text.Json;
 
-namespace Mirea.Api.Endpoint;
+namespace Mirea.Api.Endpoint.Configuration;
 
 public class SwaggerDefaultValues : IOperationFilter
 {
@@ -38,7 +38,7 @@ public class SwaggerDefaultValues : IOperationFilter
         {
             var description = apiDescription.ParameterDescriptions.First(p => p.Name == parameter.Name);
 
-            parameter.Description ??= description.ModelMetadata?.Description;
+            parameter.Description ??= description.ModelMetadata.Description;
 
             if (parameter.Schema.Default == null &&
                 description.DefaultValue != null &&

Endpoint/Program.cs

@@ -8,6 +8,8 @@ using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Options;
 using Mirea.Api.DataAccess.Application;
 using Mirea.Api.DataAccess.Persistence;
+using Mirea.Api.Endpoint.Configuration;
+using Mirea.Api.Endpoint.Middleware;
 using Mirea.Api.Endpoint.Properties;
 using Swashbuckle.AspNetCore.SwaggerGen;
 using System;