ject': project_id,
                'priority': event.item.parentNode.id,
                'positions': JSON.stringify(positions)
              },
              success: function (data) {
                console.log(data);
              }
            });
          },

          {% comment %} Element is removed from the list into another list {% endcomment %}
          onRemove: function (event) {
            let placeholder = event.from.getElementsByClassName('priority-row-placeholder')[0];
            let po