To refer to business object instance JAVA methods within the expression in the Validation field on the Configurable Validation page, simply use the method name with the “this” prefix.
Note: This is not applicable to Advantage Performance Budgeting.
For example, if the business object being validated has a method named getRunDate() that needs to be referenced in the validation expression, then the expression could be written as shown below:
this.getRunDate() < applicationDate
or
this.getRunDate() < EFFECTIVE_DT