[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) › SQLITE\_CONSTRAINT\_FUNCTION

```ts
const SQLITE_CONSTRAINT_FUNCTION: 1043 = 1043;
```

Defined in: [packages/sqlite-wasm/src/Constants.ts:110](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/Constants.ts#L110)