curl --location -g --request POST 'http:///V1/customerGroups' \
--header 'Content-Type: application/json' \
--data-raw '{
"group": {
"code": "string",
"extension_attributes": {},
"id": 0,
"tax_class_id": 0,
"tax_class_name": "string"
}
}'
{
"code": "string",
"extension_attributes": {},
"id": 0,
"tax_class_id": 0,
"tax_class_name": "string"
}