/Wiki/sources/honojs__hono/2026/https-hono-dev-llms-full-txt-cause-dc0ffa651d81-cause-s0614-c0000.md
Cause - hono-docs
Cause Source evidence: /Sources/raw/honojs hono/honojs hono.md Canonical citation: https://hono.dev/llms full.txt cause Summary In either case, you can use t...
Cause
Source evidence: /Sources/raw/honojshono/honojshono.md Canonical citation: https://hono.dev/llms-full.txt#cause
Summary
In either case, you can use the cause option to add arbitrary data to the HTTPException. ```ts twoslash import { Hono, Context } from 'hono...
Content
In either case, you can use the cause option to add arbitrary data to the HTTPException.
import { Hono, Context } from 'hono'
import { HTTPException } from 'hono/http-exception'
const app = new Hono()
declare const message: string
declare const authorize: (c: Context) => Promise<void>
// ---cut---
app.post('/login', async (c) => {
try {
await authorize(c)
} catch (cause) {
throw new HTTPException(401, { message, cause })
}
return c.redirect('/')
})
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