---
name: "mongoc_client_find_databases_with_opts"
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_client_find_databases_with_opts"
---

# mongoc\_client\_find\_databases\_with\_opts(3)

## SYNOPSIS

```
mongoc_cursor_t *
mongoc_client_find_databases_with_opts (
   mongoc_client_t *client, const bson_t *opts);
```

Fetches a cursor containing documents, each corresponding to a database on this MongoDB server.

This function is considered a retryable read operation. Upon a transient error (a network error, errors due to replica set failover, etc.) the operation is safely retried once. If **retryreads** is false in the URI (see *mongoc\_uri\_t*) the retry behavior does not apply.

## PARAMETERS

- •

  **client**: A *mongoc\_client\_t*.

- •

  **opts**: A *bson\_t* containing additional options.

**opts** may be NULL or a BSON document with additional command options:

- •

  **sessionId**: First, construct a *mongoc\_client\_session\_t* with *mongoc\_client\_start\_session()*. You can begin a transaction with *mongoc\_client\_session\_start\_transaction()*, optionally with a *mongoc\_transaction\_opt\_t* that overrides the options inherited from **client**, and use *mongoc\_client\_session\_append()* to add the session to **opts**. See the example code for *mongoc\_client\_session\_t*.

- •

  **serverId**: To target a specific server, include an int32 "serverId" field. Obtain the id by calling *mongoc\_client\_select\_server()*, then *mongoc\_server\_description\_id()* on its return value.

For a list of all options, see *the MongoDB Manual entry on the listDatabases command*.

## ERRORS

Use *mongoc\_cursor\_error()* on the returned cursor to check for errors.

## RETURNS

A cursor where each result corresponds to the server's representation of a database.

The cursor functions *mongoc\_cursor\_set\_limit()*, *mongoc\_cursor\_set\_batch\_size()*, and *mongoc\_cursor\_set\_max\_await\_time\_ms()* have no use on the returned cursor.

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.