Payment Plugin: FirstData E4

1. Go to your merchant account -> 'Administration' -> 'Terminals', click by needed terminal
2. Find 'Gateway ID' (merchant account) and enter value to 'FirstData Gateway ID' option (plugin settings - this page)
3. Find 'Password', click 'Generate' (merchant account) and enter value to 'FirstData Password' option (plugin settings - this page)
4. Click 'Update' (merchant account)
5. Click 'Save' (plugin settings - this page)

For 'Test Mode' you need use test account Create test account - here

Test Credit Card	Numbers
Visa	4111111111111111
Mastercard	5500000000000004
American Express	340000000000009
JCB	3566002020140006
Discover	6011000000000004
Diners Club	36438999960016