Install Sign Customiser in a Shopify theme with an app block
Use the Shopify theme editor to add Sign Customiser to a compatible product or page template with an app block.
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Use this guide to add Sign Customiser to a Shopify page or product template with an app block.
Cannot find Sign Customiser under Apps? Use Install Sign Customiser in a Shopify theme without app blocks.
Step 1: Create a custom template
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In Shopify admin, go to Online Store > Themes.
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Select Edit theme to open the theme editor.
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Open the Home page menu.
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Select Pages or Products.
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Select Create template.
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Enter a template name, such as
Custom sign. -
Select Create template.
Step 2: Add the Sign Customiser section
The steps are the same for a page template and a product template.
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Under Template, select Add section.

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Select Apps, then select Sign Customiser.

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Open the Sign Customiser section.
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Enter the Sign Customiser ID. See Find your Sign Customiser ID.
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Configure the applicable display settings.
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Select Save.
To make the customiser full width, open the Sign Customiser section. Turn on Force full width.
The images below show earlier theme-specific width controls. Your theme can use different labels for its own section settings.


Step 3: Assign the template
Add the customiser to a page
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Go to Online Store > Pages.
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Add or open a page.
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Find the Online store section.
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Open Theme template and select the template that you created.
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Select Save.
Add the customiser to a product
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Go to Products.
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Add or open the product that will display the customiser.
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Set the product status to Active.
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Open Theme template and select the template that you created.
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Select Save.
Open the storefront page and complete an add-to-cart test.
If a generated product has a zero price, see Troubleshooting Zero-Amount Products Purchased on Shopify.