Beta Release 0.5.0 (#3)

* Automated commit message

* Automated commit message

* Automated commit message

* Automated commit message

---------

Co-authored-by: PayPalServerSDKs <server-sdks@paypal.com>

doc/models/card-attributes.md

@@ -0,0 +1,41 @@
+
+# Card Attributes
+
+Additional attributes associated with the use of this card.
+
+## Structure
+
+`CardAttributes`
+
+## Fields
+
+| Name | Type | Tags | Description | Getter | Setter |
+|  --- | --- | --- | --- | --- | --- |
+| `customer` | [`?CardCustomerInformation`](../../doc/models/card-customer-information.md) | Optional | The details about a customer in PayPal's system of record. | getCustomer(): ?CardCustomerInformation | setCustomer(?CardCustomerInformation customer): void |
+| `vault` | [`?VaultInstructionBase`](../../doc/models/vault-instruction-base.md) | Optional | Basic vault instruction specification that can be extended by specific payment sources that supports vaulting. | getVault(): ?VaultInstructionBase | setVault(?VaultInstructionBase vault): void |
+| `verification` | [`?CardVerification`](../../doc/models/card-verification.md) | Optional | The API caller can opt in to verify the card through PayPal offered verification services (e.g. Smart Dollar Auth, 3DS). | getVerification(): ?CardVerification | setVerification(?CardVerification verification): void |
+
+## Example (as JSON)
+
+```json
+{
+  "customer": {
+    "id": "id0",
+    "email_address": "email_address2",
+    "phone": {
+      "phone_type": "OTHER",
+      "phone_number": {
+        "national_number": "national_number6"
+      }
+    },
+    "merchant_customer_id": "merchant_customer_id2"
+  },
+  "vault": {
+    "store_in_vault": "ON_SUCCESS"
+  },
+  "verification": {
+    "method": "3D_SECURE"
+  }
+}
+```
+