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I'm trying to figure out how to create custom data validation in Google Sheets what are the steps I need to follow to achieve this?

For example if I wanted the following validation:

// Set the data validation for cell A1 to require a value from B1:B10.
var cell = SpreadsheetApp.getActive().getRange('A1');
var range = SpreadsheetApp.getActive().getRange('B1:B10');
var rule = SpreadsheetApp.newDataValidation().requireValueInRange(range).build();
cell.setDataValidation(rule);

I have tried the following:

  1. Tools > Script Editor ...
  2. Paste the code inside a function, e.g. validate()
  3. pase the function in the cell I want to receive the validation, =validate(), but I received the following error "You do not have permission to call setDataValidation"

And the following:

  1. Tools > Script Editor ...
  2. Paste the code directly in the editor
  • I'm just using the code provided as an example, it's not the actual validation I want to use. – Morgoth Dec 11 '14 at 21:39
1

Overview

From Extend Google Docs, Sheets, and Forms with Apps Script - Docs editors Help

If you’d like to learn Apps Script but you’re new to programming, Codecademy offers a great online JavaScript course for beginners. (Note that this course was not developed by and is not associated with Google.) Once you feel like you have a handle on JavaScript, try either of these Apps Script quickstart tutorials: Macros, menus, and custom functions or Managing form responses.

Broad steps

  1. Design the automated procedure (similar to a macro) aka script.
  2. Create a Google Apps Script project. A bound script is the easiest way for custom validations for Google spreadsheets.
  3. Create the main script.
  4. Set the trigger method (optional):

    1. Events object.
    2. Installable trigger.
    3. Custom menu.
  5. Execute the script. Repeat as it be necessary.

Note: The script could be called from the Script editor.

References

Docs editor Help
Google Apps Script - Google Developers
Data validation - Extending Google Sheets - Google Developers

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