Rules
Rules
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Structure of a rule
A rule consists of an if/then statement between a condition and an action. If the condition is met, then the action is performed.
Rule structure:
If [Condition] Then [Action]
Condition
A condition consists of one or more expressions. Multiple expressions can be combined with AND or OR operators.
Example condition:
[Expression A] AND [Expression B] OR [Expression C]
Action
There are 3 possible actions to choose from:
| Action | Description |
|---|---|
| Warn | A warning is given for the transaction |
| Refuse | The transaction is refused, or will be automatically refunded in the case of an After-The-Fact refusal |
| Exempt | The transaction is exempted from Shield rules and lists |
Expressions
An expression is a combination of datapoints/functions and relational operators.
Expresssion example 1:
- [Datapoint A] [relational operator] [Datapoint B]
- Card number country equals Client Ip Country
Expression example 2:
- [Datapoint A] [relational operator] [value]
- Amount greater than 300
Expression example 3:
- [Function] [relational operator] [value]
- Card number attempts within 5 minutes greater than 3
The following datapoints and functions are available to use in an expression.
Datapoints
All datapoints (including custom datapoints) are available to include in an expression.
Functions
There are 8 different functions available to include in an expression
| Function | Description |
|---|---|
| Card numbers attempted from client IP | Count of unique debit- or credit card numbers used per Client IP per time interval, within the merchant domain. |
| Gift card attempts from client IP | Count of unique giftcard numbers used per Client IP per time interval, within the merchant domain. |
| Payment attempts | Count of payment attempts per Client IP per time interval, within the merchant domain. |
| Card numbers attempted from client IP (global) | Count of unique debit- or credit card numbers used per Client IP per time interval, across all Buckaroo merchants. |
| Gift card attempts from client IP (global) | Count of unique giftcard numbers used per Client IP per time interval, across all Buckaroo merchants. |
| Card number originates from unknown country | Card number country could not be identified |
| Client IP originates from unknown country | Client IP country could not be identified |
Relational operators
Relational operators are used to combine datapoints, functions and values with eachother.
| Operator | Example |
|---|---|
| Contains text | Card number contains text 5561 |
| Equals | Card number type equals ChargeCard |
| Greater than | Amount greater than 500.00 |
| Greater than or equal | Amount greater than or equal 500.00 |
| Less than | Amount less than 1.00 |
| Less than or equal | Amount less or equal 1.00 |
| Not equals | Card number brand not equals Mastercard |
| Occurs in | Card number brand occurs in UnionPay,Rupay,Belkart |
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