# bson_append_minkey()

## Synopsis

    bool
    bson_append_minkey (bson_t     *bson,
                        const char *key,
                        int         key_length);

## Parameters

bson | A bson_t.
key | An ASCII C string containing the name of the field.
key_length | The length of key in bytes, or -1 to determine the length with strlen().

## Description

The bson_append_minkey() function shall append an element of type BSON_TYPE_MINKEY to a bson document. This is primarily used in queries and unlikely to be used when storing a document to MongoDB.

## Returns

true if the operation was applied successfully, otherwise false and bson should be discarded.