---
title: debug.sink() function
description: >
  `debug.sink()` will discard all data that comes into it.
menu:
  flux_v0_ref:
    name: debug.sink
    parent: internal/debug
    identifier: internal/debug/sink
weight: 201
---

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`debug.sink()` will discard all data that comes into it.



##### Function type signature

```js
(<-tables: stream[A]) => stream[A] where A: Record
```

{{% caption %}}
For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
{{% /caption %}}

## Parameters

### tables

Stream to discard.