+ **Horizontal** button
+
+Property panel:
+
+.. image:: images/Horizontal_panel.png
+ :align: center
+
+Input fields:
+
+- **Line** is the line selected in the view.
+
+| After the line is selected it becomes parallel to the horizontal axis in the view.
+| **H** sign is added above the line.
+
+**TUI Command**: *Sketch_1.setHorizontal(LineObject)*
+
+**Arguments**: 1 line object
+
+Result
+""""""
+
+Created Horizontal constraint appears in the view.
+
+.. image:: images/Horizontal_res.png
+ :align: center
+
+.. centered::
+ Horizontal constraint created
+
+**See Also** a sample TUI Script of :ref:`tui_create_horizontal` operation.
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