code: public JSONObject assign(String company, String team, String engagement, HashMap<String, String> params) throws JSONException {
          return oClient.put("/otask/v1/tasks/companies/" + company + "/teams/" + team + "/engagements/" + engagement + "/tasks", params);
      }
docs: Assign engagements to the list of activities
  
  @param   company Company ID
  @param	team Team ID
  @param   engagement Engagement
  @param   params Parameters
  @throws	JSONException If error occurred
  @return	{@link JSONObject}