Conditional Statements
A conditional statement specifies a test that will be used to evaluate a transaction.
Each conditional statement includes the following components:
- First Expression—This expression usually consists of a field name. It may also be a User Defined Variable (UDV), a value, a function or mathematical calculation.
- Comparison Operator—This operator indicates how the first expression relates to the second expression.
- Second Expression—This expression usually consists of a value.
 | Note: In conditional statements, both expressions must return the same data type. For example, if the first expression is a string data type, the second expression must also contain a string data type.
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Make sure the IF statement is less than 4K after compiling it. It is possible for the IF statement's GRL code to be less than 4K and its compiled version to be greater than 4K. If the compiled version is greater than 4K, the rule will generate an error when it is validated or checked in.