# Streaming

Write timeseries data and log messages through asynchronous streams.

## API Reference

Import from `nominal.core`.

Classes

| [`LogPoint`](https://dev.nominal.io/python/ref/generated/nominal.core.LogPoint.md#nominal.core.LogPoint "nominal.core.LogPoint") | LogPoint is a single, timestamped log entry. |
| --- | --- |
| [`WriteStream`](https://dev.nominal.io/python/ref/generated/nominal.core.WriteStream.md#nominal.core.WriteStream "nominal.core.WriteStream") | A buffered asynchronous writer for time-series or log data. |

Type aliases

| [`DataStream`](https://dev.nominal.io/python/ref/core/streaming.md#nominal.core.DataStream "nominal.core.DataStream") | `WriteStreamBase`[[`str`](https://docs.python.org/3/builtins/stdtypes.html#str "(in Python v3.15)") | [`float`](https://docs.python.org/3/builtins/functions.html#float "(in Python v3.15)") | [`int`](https://docs.python.org/3/builtins/functions.html#int "(in Python v3.15)")] |
| --- | --- |
| [`LogStream`](https://dev.nominal.io/python/ref/core/streaming.md#nominal.core.LogStream "nominal.core.LogStream") | `WriteStreamBase`[[`str`](https://docs.python.org/3/builtins/stdtypes.html#str "(in Python v3.15)")] |