ECHO_PAYMENT_PRECISION — (partly documented)
The variable specifies the precision (number of decimal places) to use with the ECHO gateway.
Interchange 5.9.0:
Source: lib/Vend/Payment/ECHO.pm
Line 332 (context shows lines 322-336 in echo():274)
my $server = $opt->{server} || charge_param('server') || $::Variable->{ECHO_PAYMENT_SERVER} || $::Variable->{MV_PAYMENT_SERVER} || $::Variable->{CYBER_SERVER} || 'https://wwws.echo-inc.com/scripts/INR200.EXE'; my $precision = $opt->{precision} || charge_param('precision') || $::Variable->{ECHO_PAYMENT_PRECISION} || $::Variable->{MV_PAYMENT_PRECISION} || $::Variable->{CYBER_PRECISION} || 2;