The `generateTitle`, `generateDescription`, `generateURL`, and
`generateImage` functions in the SEO Plugin do not currently receive any
args representing the document's entity. This means that within these
functions, it is currently not possible to discern the _type_ of
document you are working with, i.e. a collection or global. The
underlying problem here was that the request made to execute these
functions was threading through `slug` as `undefined`. This is because
the `DocumentInfoProvider` was failing to thread this prop through
context as the types suggest. Now, these functions receive their
respective `collectionConfig` and `globalConfig`.
```ts
import type { GenerateTitle } from '@payloadcms/plugin-seo/types'
import type { Page } from '@/payload-types'
const generateTitle: GenerateTitle<Page> = ({
doc,
collectionConfig,
globalConfig,
}) => {
return `Website.com — ${doc?.title}`
}
```
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