Scroll down to the latest lines of the document in the web-based editor and you will see new key-value pairs that were not part of the original document. The following screenshot shows the last lines in the embedded JSON editor:
The following lines show an example of the new key-value pairs. Note that many values will be different in your case:
"_rid": "prUNAKtPjRoFAAAAAAAAAA==", "_self": "dbs/prUNAA==/colls/prUNAKtPjRo=/docs/prUNAKtPjRoFAAAAAAAAAA==/", "_etag": "\"22007fea-0000-0000-0000-5b86dbd60000\"", "_attachments": "attachments/", "_ts": 1535564758 }
Cosmos DB added the following ...