Attribute
Attribute tag identifies attributes that are recorded by the event tag. Attributes have at least a name and value and can also carry information about the type of the attribute and its length.
Required Attributes
name
name of the property to define.
value
value to give the property defined.
Optional Attributes
index
Identifies if this attribute is indexable or not.
length
The length of this property is used by the by recorders and only has real significance for the database recorder that needs to specify the column length when creating the schema for recording events.
Usage Examples
Example #1
<event name="logevent">
   
<attribute name="iteration" value="${iter}" />
   
<log>xxxx</log>
</event>