+struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event)
+{
+ struct bt_ctf_field *payload = NULL;
+
+ if (!event || !event->fields_payload) {
+ goto end;
+ }
+
+ payload = event->fields_payload;
+ bt_get(payload);
+end:
+ return payload;
+}
+
+int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
+ struct bt_ctf_field *payload)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *payload_type = NULL;
+
+ if (!event || !payload) {
+ ret = -1;
+ goto end;
+ }
+
+ payload_type = bt_ctf_field_get_type(payload);
+ if (!payload_type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(payload_type) != CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(payload);
+ bt_put(event->fields_payload);
+ event->fields_payload = payload;
+
+end:
+ bt_put(payload_type);
+ return ret;
+}