---
name: "mongoc_bulkwrite_append_replaceone"
section: "3"
platform: "linux"
package: "libmongoc-doc"
version: "1.30.4-1+deb13u3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/mongoc_bulkwrite_append_replaceone"
---

# mongoc\_bulkwrite\_append\_replaceone(3)

## SYNOPSIS

```
bool
mongoc_bulkwrite_append_replaceone (mongoc_bulkwrite_t *self,
                                    const char *ns,
                                    const bson_t *filter,
                                    const bson_t *replacement,
                                    const mongoc_bulkwrite_replaceoneopts_t *opts /* May be NULL */,
                                    bson_error_t *error);
```

## DESCRIPTION

Adds a replace operation for the namespace **ns**. Returns true on success. Returns false and sets **error** if an error occured.

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.