Create a button field
Button is the most broadly used field type of all the field types and can be formatted to perform a variety of tasks, such as clearing form data, submitting a form, opening a new link, playing a sound, and more. In addition, since Image Field is just an extension of Button, this guide will not elaborate on it.
To add a button field
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Open a PDF and choose Form > Form > Button .
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On the page, drag a rectangle where you want the field to appear.
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To call out the Button Properties dialog box, do any of the following:
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The dialog box appears automatically right after the field is created.
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On the Sidebar Navigation pane or choose Basic > Basic Tools, click Select and use it to double-click the field.
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In General, name the field and set its button attributes.
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In Options, edit the following settings:
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Click Behavior and decide how the button behaves when it is activated by the mouse action you specify in the State field.
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In the Icon and Label section, define an image or text to appear in the button. You can have Label only (text only), Icon only (image only), or both (text and icon) in a button. Choose an appropriate option from the drop-down menu right next to the Label field.

Have both text and an icon displayed in the button: Place the text at the bottom and the icon at the center, and adjust its size. (Left)
The result (Right)
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In Actions, specify options to determine what happens when the button is clicked. The Action tab offers the following settings:
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Select Trigger. Define how the user initiates an action, including Mouse Up, Mouse Down, Mouse Enter, Mouse Exit, On Focus, and On Blur. For example, if you select Mouse Up, the action occurs as soon as you release the mouse.
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Select Action. Specify the task the button performs when the user triggers the action. Select an action from the Select Action drop-down menu and click the Add… button to open a window for the selected action.
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The Do Action setting box displays the list of triggers and actions you defined for the button.
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Click Delete to remove the selected action from the Do Action list.
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Click Edit to change the settings for the selected action.
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Use Up/Down buttons to change the order of the selected action listed under the same trigger. The buttons are available only when there are multiple actions placed under the same trigger.