Adding a description to a specific column

Create or update a description for a specific dataset column.

Before you begin

About this task

This operation allows you to create or update a description on a specific field of the dataset. For a hierarchical dataset, the field is represented by a path, otherwise the path is the field name.

method: PUT
endpoint: https://api.<env>{datasetId}/columns/{path}
headers: {
 "Content-Type": "application/json",
 "Authorization": "Bearer <your_personal_access_token>"
payload: { 
  "description": "<description>"


  1. Select PUT from the Method list and in the field aside, enter the endpoint to be used: https://api.<env>{datasetId}/columns/{path}.

  2. Replace the placeholders with the correct values:

    Parameter Value
    datasetId Dataset for which you want to update a description. You can find the dataset ID with a GET request on https://api.<env> It is also available in Talend Cloud applications that use datasets, in the URL of the dataset’s overview page, after /dataset/.
    path Path of the field to which you want to update the description. This path is retrieved from the dataset schema.

    Update description for a dataset column

  3. Click Add header twice to add two rows and enter the following key:value pairs:

    • Content-Type : application/json
    • Authorization : Bearer <your_personal_access_token>
  4. In the BODY area, enter description to be updated. For example:

      "description": "contains number of sales for this item"
  5. Send the request.


The description is updated and the status code 204 is returned.