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⚙️ Global Settings (Settings)

The Settings node configures the menu's global behaviour, including how it can be closed and what happens after a button action is executed.


Configuration Overview

Option Type Default Description
can_escape Boolean true Whether players can close the menu using the ESC key
after_action String CLOSE Client-side behaviour after a button action is executed
lifetime Long 300 Maximum time the menu may remain open, in seconds
need_placeholder List<String> null List of PlaceholderAPI expansions required by the menu

can_escape

Description

Controls how the menu can be closed, determining whether players can press ESC to close it.

Values

Value Description
true (default) Players can close the menu with ESC, triggering the corresponding bottom button actions
false Players must click a specific button to close the menu; ESC is disabled

Configuration Example

Settings:
  can_escape: false  # Force players to click a button to close the menu

Use Cases

Recommended: true (default)

  • Regular menus where players should be able to exit freely
  • Scenarios requiring flexible closing behaviour

Recommended: false

  • Important confirmation menus (e.g., confirm deletion, confirm payment)
  • Admin operation menus
  • Scenarios where a player must choose an option
  • Menus using Events.Tasks where close actions and task cancellation timing must be controlled explicitly

Button Actions Triggered by ESC

When can_escape: true, pressing ESC triggers bottom button actions according to the button layout:

Menu Type Action triggered by ESC
notice The only button's actions
confirmation The deny (cancel) button's actions
multi The exit button's actions, when an exit button is configured

If a menu depends on close events or periodic task lifecycle, the button triggered by ESC is already the close path, so you usually do not need to add close there. Use close or force-close only when you want to close the menu manually from other branches.

Example configuration:

Settings:
  can_escape: true

Bottom:
  type: 'confirmation'
  confirm:
    text: '&a[ Confirm ]'
    actions:
      - 'tell: &aYou chose to confirm'
  deny:
    text: '&c[ Cancel ]'
    actions:
      - 'tell: &cYou chose to cancel'
      - 'close'

lifetime

lifetime - Menu lifetime limit

lifetime is measured in seconds and defaults to 300 (5 minutes). It controls both the Paper callback lifetime and KaMenu's server-side menu timeout.

When the limit is reached, KaMenu:

  1. Verifies that the player is still in the original menu session, so an old timeout cannot close a newer menu;
  2. Actively closes the Dialog;
  3. Stops the menu's Events.Tasks;
  4. Clears repeat pagination state;
  5. Runs Events.Close for timeout cleanup.

The timeout is a hard limit, so return inside Events.Close cannot prevent the Dialog from closing. Values less than or equal to 0 are invalid and fall back to 300 seconds.

Settings:
  lifetime: 300

All server callbacks remain single-use. Resetting or opening another menu creates new callbacks and restarts lifetime. The lifetime limit can close menus or waiting overlays that remain open for too long, but it does not replace proper close or refresh actions.


after_action

Description

Defines the client-side behaviour while waiting for the server to respond after a player clicks a button.

Background: Why Is This Parameter Needed?

There is some latency in the network communication between the server and client:

  • Normal conditions: Latency is only a few dozen milliseconds
  • Poor network / high server load: Latency can reach 1 second or more

During this period, if the player performs operations in the game world (such as moving items or dropping items), it may cause the subsequent menu logic to become inconsistent with the actual state, leading to unexpected behaviour.

The after_action parameter declares a specific operation to be performed locally on the client, preventing the player from making invalid operations during the server response period and ensuring the integrity of the menu logic.

Values

Value Client Behaviour Use Case
CLOSE (default) Immediately closes the menu Menus with no sub-menus or no follow-up behaviour to handle
NONE No local action taken Menus where the server explicitly closes, refreshes, or opens another menu
WAIT_FOR_RESPONSE Displays an overlay screen while waiting for the server Menus where the server explicitly closes, refreshes, or opens another menu after processing

Configuration Example

Settings:
  after_action: CLOSE  # Default value
  # after_action: NONE
  # after_action: WAIT_FOR_RESPONSE

Detailed Description

1. CLOSE (Default)

After clicking a button, the client immediately closes the menu.

Advantages:

  • Simple and straightforward
  • Smooth user experience

Disadvantages:

  • Cannot prevent invalid operations during network latency

Use Cases:

  • Simple menus without sub-menus
  • Scenarios with no follow-up behaviour to handle

Example:

Settings:
  after_action: CLOSE

Bottom:
  type: 'notice'
  confirm:
    text: '&a[ Close ]'
    actions:
      - 'close'

2. NONE

After clicking a button, the client takes no local action; all logic is controlled by the server.

Advantages:

  • Maximum flexibility
  • Server has complete control over menu behaviour
  • Useful when closure, refresh, or navigation depends on server-side conditions

Disadvantages:

  • Requires every button action path to explicitly close, refresh, or open a menu

Use Cases:

  • Scenarios requiring complete server control over behaviour
  • Scenarios where menu closure depends on conditions
  • Scenarios where a click refreshes the current menu or opens another menu

警告

Important:

When after_action: NONE is used, the client does not automatically close the menu, but server callbacks for regular buttons and clickable body text are always single-use. If an action finishes without closing or rebuilding the menu, later clicks no longer reach the server and the client retains an unresponsive cached Dialog.

With after_action: NONE, every button and every conditional branch must eventually run one of:

  • close / force-close: close the menu
  • reset: refresh the current menu and rebuild button callbacks
  • open / force-open: open another menu

KaMenu actively closes the menu when lifetime expires so an invalid Dialog cannot remain indefinitely, but this is only a fallback.

Example:

Settings:
  after_action: NONE

Bottom:
  type: 'confirmation'
  confirm:
    text: '&a[ Confirm ]'
    actions:
      - condition: '%player_balance% >= 1000'
        allow:
          - 'console: eco take %player_name% 1000'
          - 'tell: &aPayment successful!'
          - 'close'  # Manually close the menu
        deny:
          - 'tell: &cInsufficient balance!'
          - 'reset'  # Re-render the menu to avoid leaving an old dialog with no callback
  deny:
    text: '&c[ Cancel ]'
    actions:
      - 'close'

3. WAIT_FOR_RESPONSE

After clicking a button, the client displays an overlay screen and waits for the server to respond before continuing.

Advantages:

  • Completely prevents invalid operations during network latency
  • Suitable for critical operations
  • Stable user experience

Disadvantages:

  • Must ensure every button action path eventually closes, refreshes, or opens a menu; otherwise the overlay can remain
  • Adds one extra waiting step

Use Cases:

  • Menus with sub-menus (a new menu will open automatically)
  • Critical operations (trades, permission changes)
  • Servers with unstable networks or low TPS
  • Actions that must wait for server-side validation, refresh, or navigation

警告

Important:

When using WAIT_FOR_RESPONSE, the client enters a waiting state. As with NONE, button callbacks are still one-shot. If the action chain finishes without close, reset, open / force-open, or another action that closes or re-renders the dialog, the client can remain on the waiting overlay or old dialog and the player cannot continue interacting.

Therefore, when using WAIT_FOR_RESPONSE, make sure every button and every conditional branch eventually runs one of:

  • close / force-close: close the menu and end the wait
  • reset: refresh the current menu and rebuild button callbacks
  • open / force-open: open another menu and end the current wait

Example (with sub-menu):

Settings:
  after_action: WAIT_FOR_RESPONSE

Bottom:
  type: 'multi'
  buttons:
    open_sub_menu:
      text: '&a[ Open Sub-Menu ]'
      actions:
        - 'open: shop/weapons'  # Opens a sub-menu, which automatically removes the overlay
    exit:
      text: '&c[ Exit ]'
      actions:
        - 'close'

Example (no sub-menu — must explicitly finish):

Settings:
  after_action: WAIT_FOR_RESPONSE

Bottom:
  type: 'confirmation'
  confirm:
    text: '&a[ Confirm Payment ]'
    actions:
      - 'console: eco take %player_name% 1000'
      - 'tell: &aPayment successful!'
      - 'close'  # Required: close the menu and remove the overlay
  deny:
    text: '&c[ Cancel ]'
    actions:
      - 'close'  # Required: close the menu and remove the overlay

Example (validation fails but the menu should stay interactive):

Settings:
  after_action: WAIT_FOR_RESPONSE

Bottom:
  type: 'confirmation'
  confirm:
    text: '&a[ Confirm ]'
    actions:
      - condition: 'isPosInt.$(amount)'
        allow:
          - 'tell: &aInput accepted'
          - 'close'
        deny:
          - 'toast: type=task;msg=Invalid;icon=barrier'
          - 'reset'  # Required: re-render the menu, clear the wait state, and rebuild callbacks

need_placeholder

Description

Configures the list of PlaceholderAPI expansions required by the menu. Before opening the menu, the plugin checks whether the required expansions are loaded. If an expansion is not loaded:

  • Admin players (with kamenu.admin permission): A detailed prompt is shown, including the list of missing expansions and a clickable download button
  • Regular players: A simplified prompt is shown

This feature ensures that placeholder variables in the menu work correctly, preventing display errors caused by missing expansions.

Configuration Format

Settings:
  need_placeholder:
    - 'player'     # Player expansion
    - 'server'     # Server expansion
    - 'vault'      # Vault expansion

Values

need_placeholder is a list of strings, where each element represents the identifier of a PlaceholderAPI expansion.

Configuration Examples

Basic example:

Title: '&8» &6&lPlayer Info &8«'

Settings:
  need_placeholder:
    - 'player'
    - 'vault'

Body:
  message:
    type: 'message'
    text: |
      &aPlayer name: %player_name%
      &aPlayer balance: %vault_eco_balance%
      &aOnline time: %player_time_played%

Bottom:
  type: 'notice'
  confirm:
    text: '&a[ OK ]'
    actions:
      - 'close'

Admin Prompt

When an admin (with kamenu.admin permission) tries to open a menu with missing dependencies, they will see a message similar to:

§cThis menu requires the following PlaceholderAPI expansions: §e[player], §e[server]

Each expansion name (e.g., [player]) is clickable:

  • Click expansion: Automatically runs /papi ecloud download <expansion-name>
  • Hover: Shows the exact download command that will be executed

Regular Player Prompt

Regular players see a simplified message:

§cThis menu is missing required dependencies. Please contact an administrator.

(Can be customised in the language file)

信息

How to find expansion identifiers: 1. Use /papi list to view all installed expansions 2. Visit PlaceholderAPI Expansion to search for expansions 3. Check the expansion's official documentation or source code


Complete Examples

Title: '&8» &6&lServer Shop &8«'

Settings:
  can_escape: true        # Allow ESC to exit
  after_action: NONE      # Controlled by server
  pause: false

Bottom:
  type: 'multi'
  buttons:
    buy:
      text: '&a[ Buy ]'
      actions:
        - 'console: give %player_name% diamond 1'
        - 'console: eco take %player_name% 100'
        - 'tell: &aPurchase successful!'
        - 'close'
    exit:
      text: '&c[ Exit ]'
      actions:
        - 'tell: &cGoodbye!'
        - 'close'

Example 2: Important Confirmation Menu

Title: '&8» &c&lConfirm Deletion &8«'

Settings:
  can_escape: false                # Disable ESC
  after_action: WAIT_FOR_RESPONSE  # Prevent latency issues
  pause: false

Bottom:
  type: 'confirmation'
  confirm:
    text: '&c[ Confirm Delete ]'
    actions:
      - condition: '%player_name% == target_player'
        allow:
          - 'tell: &aTarget item deleted'
          - 'close'  # Required: close the menu
        deny:
          - 'tell: &cYou are not the item owner!'
          - 'close'
  deny:
    text: '&a[ Cancel ]'
    actions:
      - 'tell: &aDeletion cancelled'
      - 'close'  # Required: close the menu

Example 3: Admin Operation Menu

Title: '&8» &4&lAdmin Tools &8«'

Settings:
  can_escape: false                # Disable ESC
  after_action: NONE               # Controlled by server
  pause: false

Bottom:
  type: 'multi'
  buttons:
    ban:
      text: '&c[ Ban Player ]'
      actions:
        - 'open: admin/ban_player'
    kick:
      text: '&e[ Kick Player ]'
      actions:
        - 'open: admin/kick_player'
    exit:
      text: '&7[ Back ]'
      actions:
        - 'open: main_menu'

Example 4: Simple Notice Menu

Title: '&8» &a&lNotice &8«'

Settings:
  can_escape: true        # Allow ESC
  after_action: CLOSE      # Close directly
  pause: false

Body:
  message:
    type: 'message'
    text: |
      &aWelcome to our server!
      &7Please follow the server rules and help maintain a great gaming environment.

Bottom:
  type: 'notice'
  confirm:
    text: '&a[ OK ]'
    actions:
      - 'tell: &aNotice acknowledged'

Best Practices

For most menus, the following configuration is recommended:

Settings:
  can_escape: true
  after_action: NONE

When using this configuration, every button action path must explicitly close, reset, or open another menu.

2. Critical Operations Configuration

For menus involving critical operations (deletion, payment, permission changes, etc.):

Settings:
  can_escape: false
  after_action: WAIT_FOR_RESPONSE

Important: When using WAIT_FOR_RESPONSE, ensure that every button action path eventually closes, resets, or opens another menu.

3. Conditional Close Configuration

When the decision to close the menu depends on a condition:

Settings:
  can_escape: true
  after_action: NONE

Bottom:
  type: 'confirmation'
  confirm:
    text: '&a[ Confirm ]'
    actions:
      - condition: 'checkCondition'
        allow:
          - 'tell: &aOperation successful'
          - 'close'
        deny:
          - 'tell: &cOperation failed, please try again'
          - 'reset'  # Re-render when keeping the menu interactive

4. Network Considerations

Servers with good network conditions:

  • Use after_action: NONE for most scenarios
  • Simple menus can use after_action: CLOSE
  • With after_action: NONE, every button path must eventually close, reset, or open another menu to avoid leaving a cached dialog with no callback

Servers with unstable networks or low TPS:

  • Use after_action: WAIT_FOR_RESPONSE for critical operations
  • Ensure every button path eventually closes, resets, or opens another menu

Notes

  1. Choosing after_action

    • Use NONE by default for maximum flexibility
    • Use WAIT_FOR_RESPONSE for critical operations to ensure data consistency
    • NONE does not close automatically, and button callbacks are one-shot; every branch must explicitly close, reset, or open
    • WAIT_FOR_RESPONSE must also explicitly finish or rebuild interaction; every branch must close, reset, or open
  2. Using can_escape

    • Keep true for regular menus to provide a better user experience
    • Set to false for important confirmation menus to force a choice
    • When using Events.Tasks or relying on Events.Close, let the ESC-mapped button own the close path; use close / force-close only for manual closure in other branches
  3. pause parameter

    • Only effective in single-player mode; can be ignored for multiplayer servers
    • Defaults to false
  4. Backward compatibility

    • Old configuration files without a Settings node use default values
    • It is recommended that all new configuration files include a Settings node