/Knowledge/sources/honojs__hono/llms-full/adapter-helper-env-specify-the-runtime--9728c9cf3fbe.md
Adapter Helper: env() > Specify the runtime - hono-docs
Adapter Helper: env() Specify the runtime Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt specify the...
Adapter Helper: env() > Specify the runtime
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#specify-the-runtime
Summary
You can specify the runtime to get environment variables by passing the runtime key as the second argument. ts app.get('/env', (c) => { const { NAME } = env (c, 'workerd') return c.text(NAME) })
Content
You can specify the runtime to get environment variables by passing the runtime key as the second argument.
app.get('/env', (c) => {
const { NAME } = env<{ NAME: string }>(c, 'workerd')
return c.text(NAME)
})
Metadata
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"citation": "https://hono.dev/llms-full.txt#specify-the-runtime",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / Adapter Helper > `env()` > Specify the runtime",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 687,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "Adapter Helper: env() > Specify the runtime",
"upstream_url": "https://hono.dev/llms-full.txt",
"version": "2026"
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