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Reference

 

Applies only to Web Applications
OutSystems

Button Widget

Provides a button that users can click or tap to trigger an action, submit data or navigate to another screen.

Properties

Name Description Mandatory Default value Observations
Name Identifies an element in the scope where it is defined, like a screen, action, or module. Yes
Label Text literal or expression to be displayed in this widget. "Ok"
Example Text to display in Preview and Design modes.
Validation Parent Specifies an Edit Record widget. Widgets with the same Validation Parent are validated as a group.
Width Width of the widget in columns. Other accepted units are pixels(px), points(pt), or percentage(%). Overrides the style sheet definition.
Height Height of the widget in pixels. Other accepted units are points(pt) or percentage(%). Overrides the style sheet definition.
Margin Left Left margin of the widget in columns. Other accepted units are pixels(px), points(pt), or percentage(%). Overrides the style sheet definition.
Margin Top Top margin of the widget in pixels. Other accepted units are points(pt) or percentage(%). Overrides the style sheet definition.
Style Classes Specifies one or more style classes to apply to the widget. Separate multiple values with spaces.
Visible Boolean literal or expression that defines if the widget is displayed. Yes
Enabled Boolean literal or expression that defines if the widget is editable. Yes
Is Default Set to Yes to define this widget as the screen or block default target when the user presses Enter. Yes No In your web screens or web blocks you can define one default button or link.
When you define a Button or Link widget as default, it means that pressing the ENTER key in an Input, Input Password, Select or Check Box widget has the same effect as pressing the button or the link.
Extended Properties
Property Name of an attribute to add to the HTML translation for this element. You can pick a property from the drop-down list or type a free text. The name of the property will not be validated by the platform.

Duplicated properties are not allowed. Spaces, " or ' are also not allowed.
Value Value of the attribute. You can type the value directly or write expressions using the Expression Editor.

If the Value is empty, the corresponding HTML tag is created as property="property". For example, the nowrap property does not require a value, therefore nowrap="nowrap" is added.
On Click
Destination Screen to which to navigate. Yes
Method Specifies how the inputs are to be submitted. Yes Submit The possible values are:
Submit: the inputs are submitted. Uses the POST HTTP method;
Ajax Submit: all the inputs you use in the Destination logic are asynchronously submitted (using Ajax techniques) while keeping the state of the screen;
Navigate: the inputs are ignored. Uses the GET HTTP method.
Validation Specifies input validation to be used. Yes Server The possible values are:
Client & Server: built-in validations are performed before submitting to the server;
Server: validation is performed server-side;
None.
Confirmation Message Text literal or expression to define the confirmation message displayed after clicking the button.

Runtime Properties

Name Description Read Only Type Observations
Id Identifies the widget instance at runtime (HTML 'id' attribute). You can use it in JavaScript and Extended Properties. Yes Text
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