The method returns the data in JSON format.

status	varchar(30)	SUCCESS - request executed correctly ERROR - an error occurred during an API request. Error details will be described in 2 additional returned fields: error_message and error_code
extra_fields	array	A list containing returns extra fields, where the key of the field serves as the key in the array and the value is an array containing the fields name and type
| - extra_field_id	int	ID of the extra field
| - name	int	Field name.
| - editor_type	varchar	Editor type. The following values are available: text, number, select, checkbox, radio, date, file.
| - options	array	(optional) An array of values available for a given additional field. Applicable to select, checkbox and radio editors.

Input data:
{} Output data:
{ "status": "SUCCESS", "extra_fields": { { "extra_field_id": 1, "name": "Additional Field 1", "editor_type": "text" }, { "extra_field_id": 2, "name": "Additional Field 2", "editor_type": "text" }, { "extra_field_id": 135, "name": "Client type", "editor_type": "radio", "options": ["B2B", "B2C"] }, { "extra_field_id": 172, "name": "Shipping date deadline", "editor_type": "date" }, { "extra_field_id": 196, "name": "Warranty Card", "editor_type": "file" } } } A sample request in PHP:
<?php $methodParams = '{}'; $apiParams = [ "method" => "getOrderReturnExtraFields", "parameters" => $methodParams ]; $curl = curl_init("https://api.baselinker.com/connector.php"); curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_HTTPHEADER, ["X-BLToken: xxx"]); curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($apiParams)); $response = curl_exec($curl);