+Examples:+
Method:/logonStep/create
Parameters: 
\{
 "attrs":
\{
name:"xxx",
 "logonProcedure.id":aid,
 "authenticator":\["OTP", "OTPoD"\]
 // or      
//"authenticator":\[\[code:"OTP"\], \[code:"OTPoD"\]\]
\\
\}
\}
Response: 
\{
 "error":0,
"result":\{"id":1\}
\}
\\

+Examples:+
Method:/logonStep/get
Parameters: 
\{
 "match":
\[
\["id", "=", "123"\]
\],
"return":
\[
 \["id",\{authenticators:\[\{elements:\['code','name'\]\}\]\}\]
\]
\}
Response: 
\{
 "error":0,
"result":\{
"id":1, 
"authenticators":
\{
"elements":
\[
\{"code":"OTP","name":"One Time Password"\},
\{"code":"OTPoD","name":"OTP on Demand"\}
\]
\}
\}
\}