File
======

ArGaze provides a ready-made contexts to read data from various file format.

To select a desired context, the JSON samples have to be edited and saved inside an [ArContext configuration](../configuration_and_execution.md) file.
Notice that the *pipeline* entry is mandatory.

```json
{
	JSON sample
	"pipeline": ...
}
```

Read more about [ArContext base class in code reference](../../../argaze.md/#argaze.ArFeatures.ArContext).

## CSV

::: argaze.utils.contexts.File.CSV

### JSON sample

```json
{
    "argaze.utils.contexts.File.CSV": {
        "name": "CSV file data playback",
        "path": "./src/argaze/utils/demo/gaze_positions.csv",
        "timestamp_column": "Timestamp (ms)",
        "x_column": "Gaze Position X (px)",
        "y_column": "Gaze Position Y (px)",
        "pipeline": ...
    }
}
```