await Citeck.Records.query({
  sourceId: 'notifications/template',
  query:
        {"val": [
                {
                  "att": "_created",
                  "val": "2020-08-13T13:34:55.701Z",
                  "t": "le"
                },             
				{
				  "att": "_type",
				  "val": "emodel/type@notification-template",
                  "t": "eq"
				}],	
                "t": "and"                       
    },
  language: 'predicate'
}, ['id', '?disp', '_created', '_type']);