Use the result of Decision Tree, Decision Table or Map Value because they return action value.
Invoices.pyOrders().pyItems().pyItemNames()Įxpression- Function Alias, simple English Format of Expression. Identify a Page List or Page Group property reference plus parentheses NO Index, starting with a period. Target Property Select a property that appears somewhere within the scope of the class in the Applies To key part. Select Declare Expression from the Decision category.Īpplies ToSelect an internal or external class for this rule. PurposeUse Declare Expression rules to define automatic computations of target property values Excel Spreadsheet, formula is defined, whenever there is a change the formula value gets automatically updated. cartItem property showing its dependency for Total Price. System automatically checks an internal dependency network for other values that are affected and performs other processing as determined by the network. Business Users like a CFO can manipulate the application, hence Declarative rules are placed under Decision Category.īase Class - Rule-Declare-, a declarative rule is an instance of class derived from baseclass.ĭeclare Rules - Declare Expressions, Declare OnChange, Declare Trigger, Declare Page(Cat:Technical)Įxample - Shopping Cart application, when the cart items gets updated by the user, Declarative rules can be defined for. Purpose - System calls the declarative rules, when a property in Declarative rules changes. – Understand when and how Declare Pages expire and can be refreshed – Describe the difference between thread and node Declare Pages
– Understand how to use functions in Declare Expressions – Understand how to use the Expression Builder to create complex expressions – Describe how Declare Expressions can be dynamically called – Identify the various computations types for Declare Expressions – Use the Dependency Network Analysis (DNA) tool – Describe the benefits of declarative processing – Understand the difference between procedural and declarative programming models
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