# Metadata
Platforms: desktop, server, mobile OS: windows, ios, android Introduced: 1.0 Security:
# Syntax
set the mnemonic of button to number
# Examples
set the mnemonic of button "Avant!" to 1 -- uses the first letter, A
# Description
The mnemonic is any number between 1 and the number of characters in the button name. The character at that position is underlined, and pressing the Alt key with that character sends a mouseUp message to the button. If the number is zero, the button does not have an Alt key equivalent.
This property has no effect on Mac OS or Unix systems.
# Tags
ui,
# See