key: Specifies the attribute name, which can consist of English letters, numbers, +, =, -, and _. The maximum length is 128 characters.
+
=
-
_
RC:chrmKVNotiMsg Additional information carried in the message
key: Specifies the attribute name, which can consist of English letters, numbers,
+
,=
,-
, and_
. The maximum length is 128 characters.