#define BLE_MESH_GATT_CHARACTERISTIC(_uuid, _props) \
{ \
.uuid = BLE_MESH_UUID_GATT_CHRC, \
.read = bt_mesh_gatts_attr_read_chrc, \
.user_data = (&(struct bt_mesh_gatt_char) { .uuid = _uuid, \
.properties = _props, }), \
.perm = BLE_MESH_GATT_PERM_READ, \
}