$bin

Creates random binary data of a specified size (in bytes)

Options

• size (optional) Number of bytes to generate (Default: 1024).
• subtype (optional) Binary subtype value: BINARY, FUNCTION, OLD_BINARY, UUID_LEGACY, UUID_STANDARD, MD5, USER_DEFINED. (Default: BINARY).

Example

Template

{
    "binary": {
        "$bin": 10
    }
}

Output

{
    "binary": {
        "$binary": {
            "base64": "el2mrgjnZcbMlQ==",
            "subType": "00"
        }
    }
}