#addIntegerOption — Page 1

how does addIntegerOption work? since i can't find it online
.addIntegerOption(option =>
option.setName('duration')
.setDescription('The length of the timeout')
.setRequired(true)
.addChoices(
{ name: '60 seconds', value: '60_000' },
{ name: '5 minutes', value: '300_000' },
{ name: '30 minutes', value: '1800_000' },
{ name: '1 hour', value: '3600_000' },
{ name: '12 hours', value: '43200_000' },
{ name: '1 day', value: '86400_000' },
{ name: '2 days', value: '172800_000' },
{ name: '1 week', value: '604800_000' },
))