OAS 3 for .net core 3.1 using swashbuckle 5- Adding a bearer Security definition

SecurityDefinition-Bearer.cs

services.AddSwaggerGen(options =>
{
    var apiinfo = new OpenApiInfo
    {
        Title = "theta-CandidateAPI",
        Version = "v1",
        Description = "Candidate API for thetalentbot",
        Contact = new OpenApiContact
        { Name = "thetalentbot", Url = new Uri("https://thetalentbot.com/developers/contact") },
            License = new OpenApiLicense()
            {
                Name = "Commercial",
                Url = new Uri("https://thetalentbot.com/developers/license")
             }
        };

        OpenApiSecurityScheme securityDefinition = new OpenApiSecurityScheme()
        {
            Name = "Bearer",
            BearerFormat = "JWT",
            Scheme = "bearer",
            Description = "Specify the authorization token.",
            In = ParameterLocation.Header,
            Type = SecuritySchemeType.Http,
        };

        OpenApiSecurityRequirement securityRequirements = new OpenApiSecurityRequirement()
        {
            {securityScheme, new string[] { }},
        };

        options.SwaggerDoc("v1", apiinfo);
        options.AddSecurityDefinition("jwt_auth", securityDefinition);
        // Make sure swagger UI requires a Bearer token to be specified
        options.AddSecurityRequirement(securityRequirements);               
});