Merge pull request #62 from maria-simon/master

Updated README.md file for chase pay transactions

Author: gnongsie

README.md

@@ -64,6 +64,23 @@ Additionally, you can find details and examples of how our API is structured in
 
 The API Reference Guide provides examples of what information is needed for a particular request and how that information would be formatted. Using those examples, you can easily determine what methods would be necessary to include that information in a request using this SDK.
 
+## Create a Chase Pay Transaction
+
+Use this method to authorize and capture a payment using a tokenized credit card number issued by Chase Pay. Chase Pay transactions are only available to merchants using the Paymentech processor.
+
+The following information is required in the request:
+- The **payment token**,
+- The **expiration date**,
+- The **cryptogram** received from the token provider,
+- The **tokenRequestorName**,
+- The **tokenRequestorId**, and
+- The **tokenRequestorEci**.
+
+When using the SDK to submit Chase Pay transactions, consider the following points:
+- `tokenRequesterName` must be populated with **`”CHASE_PAY”`**
+- `tokenRequestorId` must be populated with the **`Token Requestor ID`** provided by Chase Pay services for each transaction during consumer checkout
+- `tokenRequesterEci` must be populated with the **`ECI Indicator`** provided by Chase Pay services for each transaction during consumer checkout  
+
 
 ## Building & Testing the SDK