1 files changed, 1 insertions, 0 deletions

diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index 0c94fb63..96701dc2 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -421,6 +421,7 @@ static void ipc_json_describe_container(struct sway_container *c, json_object *o
                 view_is_urgent(c->view) : container_has_urgent_child(c);
         json_object_object_add(object, "urgent", json_object_new_boolean(urgent));
         json_object_object_add(object, "sticky", json_object_new_boolean(c->is_sticky));
+        json_object_object_add(object, "fullscreen_mode", json_object_new_int(c->is_fullscreen));
 
         struct sway_node *parent = node_get_parent(&c->node);
         struct wlr_box parent_box = {0, 0, 0, 0};