Get custom field detailsget https://gateway.stage.bill.com/connect/v3/spend/custom-fields/{customFieldId}Get details about an existing custom field.Path ParamscustomFieldIdstringrequiredlength ≥ 1BILL-generated ID or UUID of the custom fieldHeadersapiTokenstring | nullAccess token for Spend & Expense API authenticationResponses 200Get custom field details response 4XXList of errors. 5XXList of errors.Updated 5 months ago