| id |
The id is used to uniquely identify a footer field in cases where there are multiple footer fields. |
| expression |
This attribute is used to specify an expression that will be evaluated at runtime to determine the value that will be presented to the user. The constraints
on other expressions hold true for these expressions and any attributes referred to in the expressions should have a real value by the time the expression is
evaluated. |
| type |
The data type of the value. This is used by the IEG Player to display the value correctly. The value used for this attribute must be a valid domain definition. |