# bson_append_symbol()

## Synopsis

    bool
    bson_append_symbol (bson_t     *bson,
                        const char *key,
                        int         key_length,
                        const char *value,
                        int         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().
value | The symbol.
length | A length of symbol in bytes, or -1 to determine the length with strlen().

## Description

Appends a new field to bson of type BSON_TYPE_SYMBOL. This BSON type is deprecated and should not be used in new code.

## Returns

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