+/*
+ * bt_ctf_event_set_payload_field: set an event's payload.
+ *
+ * @param event Event instance.
+ * @param payload Field instance (must be a structure).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
+ struct bt_ctf_field *payload);
+