Building
expression filters
An expression filter uses
matching criteria
to filter against the value of an attribute of the specified class.
Matching criteria comprises a series of characters, and optionally,
wildcards:
- “Attributes for matching notification properties� on page 215 includes a complete list of notification attributes.
- “Wildcard Patterns� on page 219 provides a description of wildcards.Expression filter fields describes the parameters of an expression filter.
Parameter | Description |
|---|---|
Attribute | Name of the attribute.
The expression filter matches against the value of this attribute. |
matches | Matching pattern
that is compared against the value of an attribute:
|
AND (green plus sign) | Add more attributes
to the filter sheet to match against, creating a more narrow filter.
A notification must match all of the attributes on a sheet to pass
the filter. |
OR (Sheet Tab) | Add more filter sheets to filter. A notification must match at
least one of the filter sheets to pass the filter. You can add sheets
by clicking Add Sheet or selecting Edit > Add Sheet. |