# bson_append_code_with_scope()

## Synopsis

    bool
    bson_append_code_with_scope (bson_t       *bson,
                                 const char   *key,
                                 int           key_length,
                                 const char   *javascript,
                                 const bson_t *scope);

## 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().
javascript | A NULL-terminated UTF-8 encoded string containing the javascript fragment.
scope | A bson_t containing the scope for javascript.

## Description

The bson_append_code_with_scope() function shall perform like bson_append_code() except it allows providing a scope to the javascript function in the form of a bson document.

## Returns

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