[API docs] Expands on docs for finding exception containers (#3456)

Co-authored-by: Joe Peeples <[email protected]>
(cherry picked from commit 71e018d)

docs/detections/api/exceptions/api-find-exception-containers.asciidoc

@@ -34,15 +34,22 @@ See {ref}/search-request-body.html#request-body-search-search-after[Search After
 associated with a {kib} space or available in all spaces (`agnostic` or
 `single`).
 
-|`filter` |String a|Filters the returned results according to the value of the
-specified field, using the `<field name>:<field value>` syntax, where
-`<field name>` can be:
+|`filter` |String a|Filters the returned results according to the value of the specified field. 
+
+Uses the `so type.field name:field value` syntax, where `so type` can be:
+
+* `exception-list`: Specify a space-aware exception list.
+* `exception-list-agnostic`: Specify an exception list that is shared across spaces.
+
+And `field name` can be:
 
 * `name`
 * `type`
 * `created_by`
 * `updated_by`
 
+|`search` |String a|Filters the returned results according to the {ref}/query-dsl-simple-query-string-query.html#simple-query-string-syntax[simple query] filter.
+
 |==============================================
 
 ===== Example request