Understanding ER Variables

An ER variable is a variable that you can use within the ER. You must assign a DD item to an ER variable. The DD item defines the type and default behavior of the variable.

Use ER variables instead of hidden fields. ER variables use fewer system resources at runtime.

After you add an ER variable, you cannot modify it. Instead, you must delete it and create another one.

Each ER variable is available within a scope. The scope of an ER variable determines how you can use it. Different scope options are available for interactive and batch applications. For example, you can:

• Reference a report variable anywhere in the report.

• Reference an ER variable only within the event in which it was created.

After you create an ER variable, it appears in the available objects list in JD Edwards EnterpriseOne Event Rules Designer where you added it. Use the ER variable in ERs just as you would use any available object in the list. If you create an event level variable and do not use it in ERs, FDA automatically deletes it.

The system automatically assigns to each variable one of these prefixes, based on the specified scope:

• frm_ (Form)

• evt_ (Event)

• grd_ (Grid)

• rpt_ (Report)

• sec_ (Section)