---
name: "bson_iter_type"
section: "3"
platform: "linux"
package: "libbson-doc"
version: "1.30.4-1+deb13u3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/bson_iter_type"
---

# bson\_iter\_type(3)

## SYNOPSIS

```
typedef enum {
   BSON_TYPE_EOD = 0x00,
   BSON_TYPE_DOUBLE = 0x01,
   BSON_TYPE_UTF8 = 0x02,
   BSON_TYPE_DOCUMENT = 0x03,
   BSON_TYPE_ARRAY = 0x04,
   BSON_TYPE_BINARY = 0x05,
   BSON_TYPE_UNDEFINED = 0x06,
   BSON_TYPE_OID = 0x07,
   BSON_TYPE_BOOL = 0x08,
   BSON_TYPE_DATE_TIME = 0x09,
   BSON_TYPE_NULL = 0x0A,
   BSON_TYPE_REGEX = 0x0B,
   BSON_TYPE_DBPOINTER = 0x0C,
   BSON_TYPE_CODE = 0x0D,
   BSON_TYPE_SYMBOL = 0x0E,
   BSON_TYPE_CODEWSCOPE = 0x0F,
   BSON_TYPE_INT32 = 0x10,
   BSON_TYPE_TIMESTAMP = 0x11,
   BSON_TYPE_INT64 = 0x12,
   BSON_TYPE_MAXKEY = 0x7F,
   BSON_TYPE_MINKEY = 0xFF,
} bson_type_t;
bson_type_t
bson_iter_type (const bson_iter_t *iter);
```

## PARAMETERS

- •

  **iter**: A *bson\_iter\_t*.

## DESCRIPTION

The **bson\_iter\_type()** function shall return the type of the observed element in a bson document.

## RETURNS

A *bson\_type\_t*.

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.