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A script is bound to a Google Sheets, Docs, Slides, or Forms file if it was
created from that document rather than as a standalone script.
The file that a bound script is attached to is called a "container."
Bound scripts generally behave like standalone scripts except that they
do not appear in Google Drive, they cannot be detached from the file
they are bound to, and they gain a few special privileges over the parent file.
Note that scripts can also be bound to Google Sites, but these scripts are
almost always deployed as web apps. Scripts
bound to Google Sheets, Docs, Slides, or Forms can also become web apps, although
this is uncommon.
Create a bound script
Google Docs, Sheets, or Slides
To create a bound script in Google Docs, Sheets, or Slides, open a document in
Docs, a spreadsheet in Sheets, or a presentation in Slides and click
Extensions>Apps Script. To reopen the script in
the future, do the same thing or open the script from the
Apps Script dashboard.
Google Forms
To create a bound script in Google Forms, open a form
and click More more_vert>Script
editor. To reopen the script in the
future, do the same thing or open the script from the
Apps Script dashboard.
Special methods
Bound scripts can call a few methods that standalone scripts cannot:
Bound scripts can customize Google Sheets, Docs, and Forms by adding
custom menus and
dialog boxes or sidebars. Keep in mind,
however, that a script can only interact with the user interface for the
current instance of an open file. That is, a script bound to one document
cannot affect the user interface of another document.
Triggers
Bound scripts can use simple triggers
like the special onOpen() function, which runs automatically whenever a file
is opened by a user who has edit access. Like all types of scripts, they can
also use installable triggers.
Custom functions
A custom function is a function in a
script bound to Google Sheets that you call directly from a cell using the
syntax =myFunctionName(). Custom functions are thus similar to the hundreds of
built-in functions in Sheets
like AVERAGE or
SUM except that you define
the custom function's behavior.
Access to bound scripts
Only users who have permission to edit a container can run its bound script.
Collaborators who have only view access can't open the script
editor, although if they make a copy of the container file, they become the
owner of the copy and can see and run a copy of the script.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eBound scripts are Google Apps Scripts attached to Google Docs, Sheets, Slides, or Forms, offering special privileges to interact with their parent file.\u003c/p\u003e\n"],["\u003cp\u003eUnlike standalone scripts, bound scripts reside within their container file and cannot be detached, functioning like unpublished add-ons specific to that file.\u003c/p\u003e\n"],["\u003cp\u003eThey allow the use of special methods to programmatically access and manipulate the parent file's content and user interface.\u003c/p\u003e\n"],["\u003cp\u003eBound scripts can be shared by sharing the container file, enabling collaborators with edit access to run the script.\u003c/p\u003e\n"],["\u003cp\u003eThese scripts can also be published as add-ons, making them accessible to a wider audience through the add-on store.\u003c/p\u003e\n"]]],[],null,["# Container-bound Scripts\n\nA script is bound to a Google Sheets, Docs, Slides, or Forms file if it was\ncreated from that document rather than as a [standalone script](/apps-script/guides/standalone).\nThe file that a bound script is attached to is called a \"container.\"\nBound scripts generally behave like standalone scripts except that they\ndo not appear in Google Drive, they cannot be detached from the file\nthey are bound to, and they gain a few special privileges over the parent file.\n\nNote that scripts can also be bound to Google Sites, but these scripts are\nalmost always deployed as [web apps](/apps-script/guides/web). Scripts\nbound to Google Sheets, Docs, Slides, or Forms can also become web apps, although\nthis is uncommon.\n| **Note:** Bound scripts are effectively unpublished [add-ons](/workspace/add-ons/concepts/types#editor_add-ons) that function only for the file they are bound to.\n\nCreate a bound script\n---------------------\n\n### Google Docs, Sheets, or Slides\n\nTo create a bound script in Google Docs, Sheets, or Slides, open a document in\nDocs, a spreadsheet in Sheets, or a presentation in Slides and click\n**Extensions**\n\\\u003e **Apps Script** . To reopen the script in\nthe future, do the same thing or open the script from the\n[Apps Script dashboard](https://script.google.com/home).\n\n### Google Forms\n\nTo create a bound script in Google Forms, open a form\nand click More more_vert\n\\\u003e **Script\neditor** . To reopen the script in the\nfuture, do the same thing or open the script from the\n[Apps Script dashboard](https://script.google.com/home).\n| **Note:** The [`clasp`](/apps-script/guides/clasp) tool can't create bound scripts, but it can clone and edit them.\n\nSpecial methods\n---------------\n\nBound scripts can call a few methods that standalone scripts cannot:\n\n- [`getActiveSpreadsheet()`](/apps-script/reference/spreadsheet/spreadsheet-app#getActiveSpreadsheet()), [`getActiveDocument()`](/apps-script/reference/document/document-app#getActiveDocument()), [`getActivePresentation()`](/apps-script/reference/slides/slides-app#getactivepresentation), and [`getActiveForm()`](/apps-script/reference/forms/form-app#getActiveForm()) allow bound scripts to refer to their parent file without referring to the file's ID.\n- [`getUi`](/apps-script/reference/spreadsheet/spreadsheet-app#getUi()) lets bound scripts access the user interface for their parent file to add [custom menus, dialogs, and sidebars](#custom_menus_dialogs_and_sidebars).\n- In Google Sheets, [`getActiveSheet()`](/apps-script/reference/spreadsheet/spreadsheet-app#getActiveSheet()), [`getActiveRange()`](/apps-script/reference/spreadsheet/spreadsheet-app#getActiveRange()), and [`getActiveCell()`](/apps-script/reference/spreadsheet/sheet#getActiveCell()) let the script determine the user's current sheet, selected range of cells, or selected individual cell. [`setActiveSheet(sheet)`](/apps-script/reference/spreadsheet/spreadsheet-app#setActiveSheet(Sheet)) and [`setActiveRange(range)`](/apps-script/reference/spreadsheet/spreadsheet-app#setActiveRange(Range)) let the script change those selections.\n- In Google Docs, [`getActiveTab()`](/apps-script/reference/document/document#getActiveTab()), [`getCursor()`](/apps-script/reference/document/document#getCursor()), and [`getSelection()`](/apps-script/reference/document/document#getSelection()) let the script determine the user's current tab, position of the user's cursor, or selected text. [`setActiveTab(tabId)`](/apps-script/reference/document/document#setActiveTab(String)), [`setCursor(position)`](/apps-script/reference/document/document#setCursor(Position)) and [`setSelection(range)`](/apps-script/reference/document/document#setSelection(Range)) let the script change those selections.\n\nFor more information, see the\n[guide to extending Google Sheets](/apps-script/guides/sheets) or\nthe [guide to extending Google Docs](/apps-script/guides/docs).\n| **Note:** These methods are only available to bound scripts run from the script editor, menu items, dialogs, sidebars, or triggers. When a bound script is run as a web app or via the [Apps Script API](/apps-script/api/how-tos/execute), these methods are not available.\n\nCustom menus, dialogs, and sidebars\n-----------------------------------\n\nBound scripts can customize Google Sheets, Docs, and Forms by adding\n[custom menus](/apps-script/guides/menus) and\n[dialog boxes or sidebars](/apps-script/guides/dialogs). Keep in mind,\nhowever, that a script can only interact with the user interface for the\ncurrent instance of an open file. That is, a script bound to one document\ncannot affect the user interface of another document.\n| Add-ons can also add custom menus, dialogs and sidebars. It is recommended to develop add-ons using [standalone scripts](/apps-script/guides/standalone).\n\nTriggers\n--------\n\nBound scripts can use [simple triggers](/apps-script/guides/triggers)\nlike the special `onOpen()` function, which runs automatically whenever a file\nis opened by a user who has edit access. Like all types of scripts, they can\nalso use [installable triggers](/apps-script/guides/triggers/installable).\n\nCustom functions\n----------------\n\nA [custom function](/apps-script/guides/sheets/functions) is a function in a\nscript bound to Google Sheets that you call directly from a cell using the\nsyntax `=myFunctionName()`. Custom functions are thus similar to the hundreds of\n[built-in functions](https://support.google.com/drive/topic/1361471) in Sheets\nlike [`AVERAGE`](https://support.google.com/drive/answer/3093615) or\n[`SUM`](https://support.google.com/drive/answer/3093669) except that you define\nthe custom function's behavior.\n\nAccess to bound scripts\n-----------------------\n\nOnly users who have permission to edit a container can run its bound script.\nCollaborators who have only view access can't open the script\neditor, although if they make a copy of the container file, they become the\nowner of the copy and can see and run a copy of the script.\n\nTo learn how to share a script's container file, refer to [Share files from\nGoogle Drive](https://support.google.com/drive/answer/2494822).\n| All container-bound scripts use the same owner, viewer, and editor access list defined for the container file. The container owner takes ownership of a new script project regardless of who created it."]]