Navigation: Developing Apps > BINETIX® AGE™ API > Plugins > Sytela™ > Modules > sytela_daisy
request/4
Description
request/4 is an Erlang function exported by "sytela_daisy" module.
This function provides direct interface to Daisy eXpert fiscal device for sending and executing commands.
This function is called internally in many occasion within this API.
References
•Headers
•open/1
Parameters
Name
Type
Handle
integer()
Port handle.
Sequence
Command sequence number or unique identifier.
Command
Command code compatible with Daisy eXpert fiscal device.
Data
string()
Byte sequence ready to be send to the fiscal device.
Result
Value or Type
any()