# mongoc_client_get_max_message_size()

## Synopsis

    int32_t
    mongoc_client_get_max_message_size (mongoc_client_t *client);

The mongoc_client_get_max_message_size() returns the maximum message size allowed by the cluster. Until a connection has been made, this will be the default of 40Mb.

## Parameters

client | A mongoc_client_t.

## Returns

The server provided max message size, or 40Mb if no connection has been established.