* UPDATE [conf] update nanomq_rule_fdb.conf
## Configuration for MQTT Rule Engine Fdb
##====================================================================
-## rule_engine.db.type=kv
-
-
## Rule engine key rule
-## Rule engine key.
+## Rule engine key. select from rule
+## engine support field.
+##
+## Value: String
+rule.event.publish.key=topic
+## rule.event.publish.key=payload.x.y
+
+## Rule engine key autoincrement attr
+## If rule engine key autoincrement.
##
-## Value: String default is ''
-rule.event.publish.key='topic'
+## Value: Bool.
+rule.event.publish.key.autoincrement=true
## Rule engine option sql
## Rule engine sql clause.
##
## Value: String
-rule.event.publish.sql='SELECT payload.x.y as y, payload.z as z FROM "#" WHERE y > 10 and z != 'str''
+rule.event.publish.sql="SELECT payload.x.y as y, payload.z as z FROM "#" WHERE y > 10 and z != 'str'"
\ No newline at end of file
