---
title: sampledata.string() function
description: >
  `sampledata.string()` returns a sample data set with string values.
menu:
  flux_v0_ref:
    name: sampledata.string
    parent: sampledata
    identifier: sampledata/string
weight: 101
---

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`sampledata.string()` returns a sample data set with string values.



##### Function type signature

```js
(?includeNull: bool) => stream[A] where A: Record
```

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For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
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## Parameters

### includeNull

Include null values in the returned dataset.
Default is `false`.




## Examples

### Output basic sample data with string values

```js
import "sampledata"

sampledata.string()

```

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#### Output data

| _time                | *tag | _value      |
| -------------------- | ---- | ----------- |
| 2021-01-01T00:00:00Z | t1   | smpl_g9qczs |
| 2021-01-01T00:00:10Z | t1   | smpl_0mgv9n |
| 2021-01-01T00:00:20Z | t1   | smpl_phw664 |
| 2021-01-01T00:00:30Z | t1   | smpl_guvzy4 |
| 2021-01-01T00:00:40Z | t1   | smpl_5v3cce |
| 2021-01-01T00:00:50Z | t1   | smpl_s9fmgy |

| _time                | *tag | _value      |
| -------------------- | ---- | ----------- |
| 2021-01-01T00:00:00Z | t2   | smpl_b5eida |
| 2021-01-01T00:00:10Z | t2   | smpl_eu4oxp |
| 2021-01-01T00:00:20Z | t2   | smpl_5g7tz4 |
| 2021-01-01T00:00:30Z | t2   | smpl_sox1ut |
| 2021-01-01T00:00:40Z | t2   | smpl_wfm757 |
| 2021-01-01T00:00:50Z | t2   | smpl_dtn2bv |

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