+[role="term"]
+----
+$ lttng add-trigger --condition=event-rule-matches \
+ --type=user --name='my_app:*' \
+ --log-level=TRACE_WARNING.. \
+ --action=stop-session my-session \
+ --action=rotate-session my-session
+----
+
+See man:lttng-concepts(7) to learn more about recording sessions and
+rotations.
+====
+
+.Add an ``event rule matches'' trigger with a specific name.
+====
+The `event-rule-matches` trigger condition below specifies an event rule
+which matches events which LTTng creates from the `my-logger` Python
+logger.
+
+The added trigger is named `my-trigger`, a unique name for your Unix
+user.
+
+See the option:--name option.
+
+[role="term"]
+----
+$ lttng add-trigger --name=my-trigger \
+ --condition=event-rule-matches \
+ --type=python --name=my-logger \
+ --action=snapshot-session my-session
+----
+====
+
+.Add an ``event rule matches'' trigger as another Unix user.
+====
+The command line below adds a trigger as the `mireille` Unix user.
+
+Your Unix user must be `root` to use the option:--owner-uid option.
+
+The condition of the trigger specifies an event rule which matches LTTng
+kernel tracepoint events with a name which starts with `sched`.
+
+[role="term"]
+----
+# lttng add-trigger --owner-uid=$(id --user mireille) \
+ --condition=event-rule-matches \
+ --type=kernel --name='sched*' \
+ --action=notify
+----
+====
+
+.Add an ``event rule matches'' trigger with a notification action to be executed every 10{nbsp}times.
+====
+The `event-rule-matches` trigger condition below specifies an event rule
+which matches all user space tracepoint events.
+
+See the nloption:--rate-policy option above.
+
+[role="term"]
+----
+$ lttng add-trigger --condition=event-rule-matches \
+ --type=user --action=notify \
+ --rate-policy=every:10
+----
+====
+
+.Add an ``event rule matches'' trigger with a recording session starting action to be executed a single time after 40{nbsp}times.
+====
+The `event-rule-matches` trigger condition below specifies an event rule
+which matches any Linux system call event (entry and exit) of which the
+`fd` event record field is less than{nbsp}3.
+
+See the nloption:--rate-policy option above.
+
+[role="term"]
+----
+$ lttng add-trigger --condition=event-rule-matches \
+ --type=syscall --filter='fd < 3' \
+ --action=start-session my-session \
+ --rate-policy=once-after:40
+----
+====