code: private CmsUUID getIdFromState(String state) {
  
          CmsUUID result = null;
          String temp = A_CmsWorkplaceApp.getParamFromState(state, "projectId");
          if (CmsUUID.isValidUUID(temp)) {
              result = new CmsUUID(temp);
          }
          return result;
      }
docs: Returns the project id parameter from the given state.<p>
  
  @param state the state
  
  @return the project id