- libbson 1.13.1 »
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- bson_iter_t

# bson_iter_overwrite_date_time()

## Synopsis

    void
    bson_iter_overwrite_date_time (bson_iter_t *iter, int64_t value);

## Parameters

- `iter`: A bson_iter_t.
- `value`: The date and time as specified in milliseconds since the UNIX epoch.

## Description

The `bson_iter_overwrite_date_time()` function shall overwrite the contents of a BSON_TYPE_DATE_TIME element in place.

This may only be done when the underlying bson document allows mutation.

It is a programming error to call this function when `iter` is not observing an element of type BSON_TYPE_DATE_TIME.

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