# Columns

Columns are fields in the events you send to Honeycomb.

This API allows you to list, create, update, and delete columns in a dataset.



## Create a Column

 - [POST /1/columns/{datasetSlug}](https://api-docs.honeycomb.io/api/columns/createcolumn.md): Create a column by providing corresponding details for that type.


## List all Columns

 - [GET /1/columns/{datasetSlug}](https://api-docs.honeycomb.io/api/columns/listcolumns.md): Get all the Columns in a dataset

## Get a Column

 - [GET /1/columns/{datasetSlug}/{columnId}](https://api-docs.honeycomb.io/api/columns/getcolumn.md)

## Update a Column

 - [PUT /1/columns/{datasetSlug}/{columnId}](https://api-docs.honeycomb.io/api/columns/updatecolumn.md): Update a column


## Delete a Column

 - [DELETE /1/columns/{datasetSlug}/{columnId}](https://api-docs.honeycomb.io/api/columns/deletecolumn.md): Delete a column. : Deleted columns are no longer queryable, but data in existing permalinks (query results and trace views) will remain stored and available at those links.