decodeBase64 
Requires a Node.js runtime ('qsu/node')Decodes an encoded base64 string to a plain string.
Parameters
encodedStr::string
Returns
string
Examples
javascript
decodeBase64('dGhpcyBpcyB0ZXN0'); // Returns 'this is test'dart
decodeBase64('dGhpcyBpcyB0ZXN0'); // Returns 'this is test'python
decodeBase64('dGhpcyBpcyB0ZXN0') # Returns 'this is test'