Base64Encode()
Converts plain text to Base64-encoded binary data.
The Base64Encode() function has two parameters:
stringToEncode(string): Required. The string to encode to Base64.characterEncoding(string): The character encoding type to use when encoding the string. Accepted values:ASCII,UTF-7,UTF-8,UTF-16, andUTF-32.
To use the function, pass it the string that you want to encode. Optionally, specify the type of character encoding to use.
The example code outputs a string encoded in Base64.