[API reference](https://evolu.dev/docs/api-reference) › [@evolu/sqlite-wasm](https://evolu.dev/docs/api-reference/sqlite-wasm) › [c-api](https://evolu.dev/docs/api-reference/sqlite-wasm/c-api) › sqlite3\_result\_blob

```ts
function sqlite3_result_blob(
  deps: SqliteWasmDep,
): (
  context: SqliteContextPtr,
  value: 0 | WasmPtr,
  n: number,
  destructor: SqliteDestructor,
) => void;
```

Defined in: [packages/sqlite-wasm/src/CApi.ts:2800](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/CApi.ts#L2800)

Sets an application-defined function's result to n bytes. A NULL address sets
SQL NULL, as for [sqlite3\_bind\_blob](https://evolu.dev/docs/api-reference/sqlite-wasm/c-api/functions/sqlite3_bind_blob), so an empty blob needs a non-NULL
address or [sqlite3\_result\_zeroblob](https://evolu.dev/docs/api-reference/sqlite-wasm/c-api/functions/sqlite3_result_zeroblob).

Wasm type `v(iiii)`. Signature `["sqlite3_result_blob", undefined,
"sqlite3_context*", "*", "int", "*"]` from SQLite's table.

See https://sqlite.org/c3ref/result_blob.html.