code: private String getProjectPermissionsURL() {
      String projectPermissionsURL = null;
      final String baseURL = this.azkabanProps.get(AZKABAN_WEBSERVER_URL);
      if (baseURL != null) {
        final String projectName = this.node.getParentFlow().getProjectName();
        projectPermissionsURL = String
            .format("%s/manager?project=%s&permissions", baseURL, projectName);
      }
      return projectPermissionsURL;
    }
docs: Get project permissions page URL