Properties of Hbox

Id - unique identifier of the control
Align Content - alignment container lines when there's extra space along the cross-axis
Align Items - alignment of the elements from top to bottom
Justify Content - alignment of the elements from left to right
Wrap - determines the wrapping behavior of the control
Style Class - assign a predefined SAPUI5 CSS or a CSS class defined in the CSS of the App
Width - width setting
Visible - set a boolean value or a variable with type boolean from the Model to control the visibility property
Items - items within the flexible box layout
Advanced - properties of the control not available in the above list can be added here.

Setting Additional Properties provides further information about the Advanced property

Step-by-step guide

How to add an Hbox

Right click on a Page, Form Element or from any elements under Add Layout and select Add HBox
An HBox control has been added
UI Elements can be added under the HBox Control by doing a Right click from it

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