DynamoDB, TTL not deleting items

Question

I set up TTL to delete an item called "epoch" with is just the epoch time casted to an integer. I set up TTL 2 weeks ago, and nothing has been deleted yet. I tried the preview with "payload.epoch" as well, just to check, and no dice. 
Here is what a JSON entry looks like:
```
{
 "timestamp": "2022-01-26 13:00:30.676968",
 "payload": {
  "air_flow": 1.5,
  "rssi": -93,
  "temp": 19.09,
  "data": "03d10775018f0a006ff3",
  "rx_freq": 929000000,
  "humidity": 28.659,
  "epoch": 1643230830,
  "ep": 1,
  "pressure": 102154,
  "seq": 71,
  "timestamp": "2022-01-26 13:00:30.676968"
 }
}
```

Accepted Answer

You must set your TTL attribute as a top level attribute. You cannot have it inside a map:

```
{
 "timestamp": "2022-01-26 13:00:30.676968",
 "epoch": 1643230830,
 "payload": {
  "air_flow": 1.5,
  "rssi": -93,
  "temp": 19.09,
  "data": "03d10775018f0a006ff3",
  "rx_freq": 929000000,
  "humidity": 28.659,
  "ep": 1,
  "pressure": 102154,
  "seq": 71,
  "timestamp": "2022-01-26 13:00:30.676968"
 }
}
```

DynamoDB, TTL not deleting items

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