# `IndicesIndexingSlowlogTresholds` [interface-IndicesIndexingSlowlogTresholds]

| Name | Type | Description |
| - | - | - |
| `index` | [IndicesSlowlogTresholdLevels](./IndicesSlowlogTresholdLevels.md) | The indexing slow log, similar in functionality to the search slow log. The log file name ends with `_index_indexing_slowlog.json`. Log and the thresholds are configured in the same way as the search slowlog. |