beginTransactionRequested

Fired when |SCardBeginTransaction| is called.

This maps to: PC/SC Lite: https://pcsclite.apdu.fr/api/group__API.html#gaddb835dce01a0da1d6ca02d33ee7d861 Microsoft: https://learn.microsoft.com/en-us/windows/win32/api/winscard/nf-winscard-scardbegintransaction