3. Initiating the SDK

Import the HyperSDK namespace to get access to HyperServices class in your code

Express Checkout SDK exposes the HyperServices class. Create an object of this class for all upcoming operations

Initiate API takes three parameters as input. One of the parameter is a JSON object referred as InitiatePayload. This payload contains certain key value pairs used by the SDK to perform a successful initiate

Refer to initiate payload for information about the description and sample payload.

During its lifecycle, SDK emits multiple events to communicate about the transaction status. All of these events are received by an instance of HyperPaymentsCallbackAdapter.

This callback handler is passed as the second argument to the initiate API call.

The final step is to call the Initiate SDK API.

The initiate method takes three parameters: ViewController and InitiatePayload and HyperPaymentsCallbackAdapter. Use the functions created in the above steps to create the parameters