How to make POST with parameters>

Question

I try to make simple POST request to WebApi:

http://localhost::60310/locations/15

Full request are:

https://imgur.com/a/FggUJ

My controller:

[Produces("application/json")]
[Route("/Locations")]
public class LocationsController : Controller
{
 [HttpPost("{id}")]
    public async Task<IActionResult> PutLocation()
     {
       var distance= Request.Form.FirstOrDefault(p => p.Key == "distance").Value;
        var city = Request.Form.FirstOrDefault(p => p.Key == "city").Value;
        var place= Request.Form.FirstOrDefault(p => p.Key == "place").Value;
        var county= Request.Form.FirstOrDefault(p => p.Key == "country").Value;
        var id = Request.Form.FirstOrDefault(p => p.Key == "id").Value;

      //some code
     }
 }

So, i have data class:

  public class Location
{
    [JsonProperty("distance")]
    public int Distance { get; set; }
    [JsonProperty("city")]
    public string City { get; set; }
    [JsonProperty("place")]
    public string Place { get; set; }
    [JsonProperty("id")]
    public int Id { get; set; }
    [JsonProperty("country")]
    public string Country { get; set; }
}

When i try to test this request (by Postman) i have 200 code. But, when i make breakpoint into this method- it does not work. So, as i assume, this method do not call by framework.

Can you help me: why this method do not call?And how to fix that?