Why isn't POST showing up in Kibana Discover tab?

Please format your code, logs or configuration files using </> icon as explained in this guide and not the citation button. It will make your post more readable.

Or use markdown style like:

```
CODE
```

This is the icon to use if you are not using markdown format:

Because elasticsearch just index what you are sending to it.
You sent:

{
  "user": "USERTEST055"
}

Elasticsearch only indexes that.