Script API - v1.21.0
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    Returns data about the player results from a modal action form.

    import { Player } from '@minecraft/server';
    import { ActionFormData, ActionFormResponse } from '@minecraft/server-ui';

    function askFavoriteMonth(player: Player) {
    const form = new ActionFormData()
    .title('Months')
    .body('Choose your favorite month!')
    .button('January')
    .button('February')
    .button('March')
    .button('April')
    .button('May');

    form.show(player).then((response: ActionFormResponse) => {
    if (response.selection === 3) {
    player.sendMessage('I like April too!');
    } else {
    player.sendMessage('Nah, April is the best.');
    }
    });
    }

    Hierarchy (View Summary)

    Index

    Properties

    cancelationReason?: FormCancelationReason

    Contains additional details as to why a form was canceled.

    canceled: boolean

    If true, the form was canceled by the player (e.g., they selected the pop-up X close button).

    selection?: number

    Returns the index of the button that was pushed.