api.v0alpha.GetAvailableHeadersRes(GetAvailableHeadersRes)

GetAvailableHeadersRes - response containing all available contact list headers

{
    "headers": [
        {
            "name": "string",
            "headers": [
                "string"
            ],
            "list_headers": [
                {
                    "name": "string",
                    "type": "FIELD_TYPE_STRING"
                }
            ]
        }
    ]
}