chase pay changes

Author: nagarikantipavan

README.md

@@ -81,6 +81,22 @@ 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 <tokenRequestorID> as provided by Chase Pay services for each transaction during consumer checkout
+- TokenRequesterECI must be populated with <eciIndicator> as provided by Chase Pay services for each transaction during consumer checkout
 
 ## Building & Testing the SDK
 Build the SDK with Maven