Expert guidance for building Google Tag Manager custom templates using sandboxed JavaScript. Use when creating custom tag templates, custom variable templates, server-side client templates, converting regular JavaScript to sandboxed JS, debugging template code, writing template tests, publishing to the Community Template Gallery, working with .tpl template files, or using sandboxed JavaScript APIs like require(), sendPixel, injectScript, and other GTM template APIs.
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assets/example_asset.txtassets/tag-template-boilerplate.tplassets/variable-template-boilerplate.tplreferences/custom-templates-guide.mdreferences/sandboxed-javascript-api.mdreferences/template-examples.mdreferences/template-testing.md