The built-in function Fn::Base64Decode returns a string decoded from a Base64-encoded string.
Declaration
JSON
{"Fn::Base64Decode": "stringToDecode"}YAML
Syntax for the full function name:
Fn::Base64Decode: stringToDecodeSyntax for the short form:
!Base64Decode stringToDecode
Parameters
stringToDecode: the Base64-encoded string that you want to decode.
Return value
The string that is decoded from the Base64-encoded string.
Examples
!Base64Decode QUxJWVVOIFJPUw=={ "Fn::Base64Decode" : "QUxJWVVOIFJPUw==" }In this example, ALIYUN ROS is returned.