diff --git a/arkui/ace_engine/native/native_node.h b/arkui/ace_engine/native/native_node.h
index 68e03458616775fbe8bbef56770b4b4334f26cdb..0e067a67b24c584b6a34450b072af801c7f3e128 100644
--- a/arkui/ace_engine/native/native_node.h
+++ b/arkui/ace_engine/native/native_node.h
@@ -2316,6 +2316,16 @@ typedef enum {
      */
     NODE_IMMUTABLE_FONT_WEIGHT = 1030,
 
+    /**
+     * @brief Defines the text line count attribute, which can only be obtained as required through APIs.
+     *
+     * Format of the return value {@link ArkUI_AttributeItem}:\n
+     * .value[0].i32: line count of the node.
+     *
+     * @since 20
+     */
+    NODE_TEXT_LINE_COUNT = 1031,
+
     /**
      * @brief Defines the text content attribute, which can be set, reset, and obtained as required through APIs.
      *