Expressions
In this section, you will learn about Open Loyalty language and more complex campaign conditions.
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User Guide
In this section, you will learn about Open Loyalty language and more complex campaign conditions.
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When setting up conditions and effects for rules in , you may find that some situations are not covered by premade values. However, you are not limited to using these values - you can use an Open Loyalty language to create very specific conditions and values. In conditions, you can find a condition called Expressions.
You can set the value of such an expression. It can be set as a combination of attributes and operators using the meta language created by Open Loyalty. It allows you to create a fully customizable condition that meets the rules of your planned loyalty program.
For example, you can create a campaign that is triggered when a customer buys a product from a certain category. You can do it in two ways:
Set a premade condition:
Or use an expression:
In the same way, you can create custom campaign effects - you can use premade values, or enter them yourself:
In this section, you will find a description of the meta-language together with all the supported syntaxes, which is based on the expression syntax of Symfony Expression.
strings - single and double quotes (e.g. 'hello')
numbers - integers (e.g. 103), decimals (e.g. 9.95), decimals without leading zeros (e.g. .99, equivalent to 0.99); all numbers support optional underscores as separators to improve readability (e.g. 1_000_000, 3.14159_26535)
arrays - using JSON-like notation (e.g. [1, 2])
hashes - using JSON-like notation (e.g. { foo: 'bar' })
booleans - true and false
null - null
exponential - also known as scientific (e.g. 1.99E+3 or 1e-2)
