# list-datatable-columns

## Description

<mark style="color:purple;">`list-datatable-columns`</mark> *adaptor creates a list of datatable column names.*

## Inputs

**`data`**\
Type: `datatable`\
Required: Yes\
The datatable containing columns to be listed.

## Outputs

**`column names`**\
Type: `list`\
The list of column names.

## Examples

### Example 1: Default behaviour.

#### Inputs:

`data:`

| id | code | name           |
| -- | ---- | -------------- |
| 1  | GB   | United Kingdom |
| 2  | TR   | Turkey         |
| 3  | US   | United States  |
| 4  | IND  | India          |

#### Outputs:

`column names`:

1. id
2. code
3. name

-> Created a list of datatable column names.

## Use Cases

* Comparing column names between two datasets by getting a list of columns from each dataset.
* Outputting a list of columns to facilitate identifying columns to remove from the datatable using the [<mark style="color:purple;">`remove-columns`</mark>](/data-flo/reference-guide/remove-columns.md) adaptor.


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