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# bson_set_error()

## Synopsis

    void
    bson_set_error (
       bson_error_t *error, uint32_t domain, uint32_t code, const char *format, ...);

## Parameters

- `error`: A bson_error_t.

- `domain`: A `uint32_t`.

- `code`: A `uint32_t`.

- `format`: A `printf()` style format string.

## Description

This is a helper function to set the parameters of a bson_error_t. It handles the case where `error` is NULL by doing nothing.