code: def rbac(ctx, schema, object_filter, action, role, all_schemata):
      
  
      database = ctx.obj['db']
  
      if schema is None:
          if all_schemata is False:
              log('No schema given. Read the RBAC group help', lvl=warn)
              sys.exit()
          else:
              schemata = database.objectmodels.keys()
      else:
          schemata = [schema]
  
      things = []
  
      if object_filter is None:
          parsed_filter = {}
      else:
          parsed_filter = json.loads(object_filter)
  
      for schema in schemata:
          for obj in database.objectmodels[schema].find(parsed_filter):
              things.append(obj)
  
      if len(things) == 0:
          log('No objects matched the criteria.', lvl=warn)
          sys.exit()
  
      ctx.obj['objects'] = things
      ctx.obj['action'] = action
      ctx.obj['role'] = role
docs: [GROUP] Role based access control