Adding parsing arguments from webUI

application/locustfile.py

 import random
-from locust import HttpUser, task, between
+from locust import HttpUser, task, between, events
 from locust.exception import StopUser
 
-header={'Authorization': 'Bearer YOUR_ACCESS_TOKEN'}
+
+@events.init_command_line_parser.add_listener
+def _(parser):
+    parser.add_argument("--token",
+                        type=str,
+                        env_var="LOCUST_MY_ARGUMENT",
+                        is_secret=True,
+                        help=":8080/token",
+                        default="")
 
 
 class StudentActor(HttpUser):