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## PostbackInputOption
in package

PostbackInputOption.php : 21

### Table of Contents

CLOSE_RICH_MENU = 'closeRichMenu'
OPEN_KEYBOARD = 'openKeyboard'
OPEN_RICH_MENU = 'openRichMenu'
OPEN_VOICE = 'openVoice'

### Constants

#### CLOSE_RICH_MENU

PostbackInputOption.php : 23
`public mixed CLOSE_RICH_MENU = 'closeRichMenu'`

#### OPEN_KEYBOARD

PostbackInputOption.php : 25
`public mixed OPEN_KEYBOARD = 'openKeyboard'`

#### OPEN_RICH_MENU

PostbackInputOption.php : 24
`public mixed OPEN_RICH_MENU = 'openRichMenu'`

#### OPEN_VOICE

PostbackInputOption.php : 26
`public mixed OPEN_VOICE = 'openVoice'`

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