repo initialized with test cases

doc/models/blik-level-0-payment-object.md

@@ -0,0 +1,23 @@
+
+# BLIK Level 0 Payment Object
+
+Information used to pay using BLIK level_0 flow.
+
+## Structure
+
+`BLIKLevel0PaymentObject`
+
+## Fields
+
+| Name | Type | Tags | Description | Getter | Setter |
+|  --- | --- | --- | --- | --- | --- |
+| `authCode` | `string` | Required | The 6-digit code used to authenticate a consumer within BLIK.<br>**Constraints**: *Minimum Length*: `6`, *Maximum Length*: `6`, *Pattern*: `^[0-9]{6}$` | getAuthCode(): string | setAuthCode(string authCode): void |
+
+## Example (as JSON)
+
+```json
+{
+  "auth_code": "auth_code6"
+}
+```
+