Enabled Billing Plans and Agreements APIs

- Added API Classes, Samples, and Tests
- Updated Functional Tests
- Updated Documentation with new SDK Name
- Updated Few Samples to use newer nicer result page

lib/PayPal/Api/ChargeModel.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace PayPal\Api;
+
+use PayPal\Common\PPModel;
+
+/**
+ * Class ChargeModel
+ *
+ * A resource representing a charge model for a payment definition.
+ *
+ * @package PayPal\Api
+ *
+ * @property string id
+ * @property string type
+ * @property \PayPal\Api\Currency amount
+ */
+class ChargeModel extends PPModel
+{
+    /**
+     * Identifier of the charge model. 128 characters max.
+     *
+     * @param string $id
+     * 
+     * @return $this
+     */
+    public function setId($id)
+    {
+        $this->id = $id;
+        return $this;
+    }
+
+    /**
+     * Identifier of the charge model. 128 characters max.
+     *
+     * @return string
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Type of charge model. Allowed values: `SHIPPING`, `TAX`.
+     *
+     * @param string $type
+     * 
+     * @return $this
+     */
+    public function setType($type)
+    {
+        $this->type = $type;
+        return $this;
+    }
+
+    /**
+     * Type of charge model. Allowed values: `SHIPPING`, `TAX`.
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->type;
+    }
+
+    /**
+     * Specific amount for this charge model.
+     *
+     * @param \PayPal\Api\Currency $amount
+     * 
+     * @return $this
+     */
+    public function setAmount($amount)
+    {
+        $this->amount = $amount;
+        return $this;
+    }
+
+    /**
+     * Specific amount for this charge model.
+     *
+     * @return \PayPal\Api\Currency
+     */
+    public function getAmount()
+    {
+        return $this->amount;
+    }
+
+}