I am trying to generate attachment with JSON file using REST API

Summary: How to add multiple rows in the excel file being attached to the request

Content (please ensure you mask any confidential information):

I am new to REST API and JSON, trying to use api "Generate a request attachment" (/epm/rest/v1/requests/{requestId}/attachments/generate)

the example body provided by oracle below, creates 1 single, record 1 header and 1 value, how to append more records/values in the file? As I want to have more than 1 rows in the column Name.

{

    "fileName": "Request101.xlsx",

    "items": [

        {

            "viewpoint": "All Depts",

            "data": [

                {

                    "header": "Name",

                    "value": "New name"

                }

            ]

        }

    ]

}

Version (include the version you are using, if applicable):