IDTech iOS/OSX SDK Guide  1.1.068
API reference for UniPay III
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Sending Direct Commands

The main purpose of IDTech.framework for UniPay III is to expedite integration to the device by providing the connectivity and communication protocols. It also provides the main functions to get device info, perform contact EMV Transactions, perform swipe/Tap transactions, and to modify contact EMV data files.

The UniPayIII has an extensive and powerful command set based on the NEO platform. A NEO command consists of a Command, a Sub Command, and optionally data. To access these commands, please reference the NEO/IDG Command document included as a separate item in the SDK. Please note that Protocol 1 commands have been deprecated, and any existing Protocol 1 commands relevant to UniPay III can be accomplished by a Protocol 2 command. The IDTech.framework uses the following the command to send Protocol 2 commands to UniPay III:

device_sendIDGCommand:subCommand:data:response: (IDT_UniPayIII)

Any function not supported by the SDK can be sent with the sendIDGCommand.