A step-by-step guide on how you can add a multiple-selection checkbox to your product page
From the Optionia dashboard, click Option Sets from the bottom-left corner.
Then, click the Option Set where you want to add the extra charge.

You can add the checkbox option to either a new option set or an existing one. You can learn to create a new option set in another part. For now, we will discuss how to add a checkbox option to an existing option set.
Click the “add options” button in the top right corner.
Select the “Checkbox” option under Multiple Selection.



Then you can edit the checkbox option as you like. Fulfill all the necessary information first:
Option Title: Provide a name for the options attribute here.
Help text: Add helpful instructions for customers.
Option description: Add option details here.
Value: You can provide value for the attribute here.
Additional Price: If you want to charge extra for the option, put the added price here, which will be added to your base product price.
Default: Check the box to set an attribute as the default. It will be shown as the default attribute on the product page.
Delete: Click on the red trash icon to remove the options attribute.
Add option value: Click here to add more option value for this option.
Limit the number of selections: Set a selection limit for customers on the storefront.
Reorder: Click and drag this dotted icon to rearrange attributes.
Note: You can add multiple values using the “+ add option value” button, and by checking the “Limit the number of selections” you can limit the number of colors customers can select at a time. |
Step 4: Personalize The Appearance

After you are done with the essential settings, scroll down to find the “additional settings”. Optionia lets you style each option however you like.
In the Additional Settings stylize:
Option title color: This sets the color of the option title.
Description color: Choose the color of the description.
Checked color: This defines the fill color inside the checkbox when it is selected
Choice spacing: Spacing of the checkboxes.
Option value style: A dropdown menu that lets you change the layout orientation of the options. (horizontal/vertical)
Help text style: A dropdown menu to choose how helpful hints or descriptions are displayed to the user. It is currently set to "Tooltip."
Price shows with option value: A checkbox that, when checked, will display the price modifier (e.g., "$0") next to the option text in the final display.
Bring your brand’s vibe to the option sets with additional stylization.
When you are complete, save the Option set.
After configuring your Checkbox option, you need to assign the Option Set to the products where you want the checkboxes to appear.
You can find Product Assignment at the bottom of the Option Set.
Step: Open the option set > scroll down to find the “Product Assignment” option > select any of the three radio buttons. |

You can use the available conditions to determine which products should receive the Option Set.
Important: You can assign the option to a product category from here. But if you add the Checkbox Option under an option set that’s already assigned to a product type, that option will also follow that product type. |
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