Create a new secret instance, and return its handle.

Return value
	type	description
	secret	reference to the newly created object
Parameters
name	type	description
session_id	session	valid session reference
value	string	the secret
other_config	Map[string,string]	other_config
Errors
name	arguments	description

• Message has both a synchronous and asynchronous version
• This is an implicit message, derived from its class