How to use collapse/expand button with Encrypted text field?

Description

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From Jakarta release onwards as part of enhancement, collapse/expand button introduced with the Encrypted text field as shown in the below screenshot. 

Procedure

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When the currently logged in users role is mapped with the encryption context, Encrypted field will be visible to the user as shown in above screenshot.

Enter some data within the encrypted field and then click on expand(+) button, system will expand the encrypted field text box. Clicking on collapse(-) button would collapse the encrypted field text box.

Applicable Versions

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Jakarta release onwards