Create and return a session key

Creates a new JSON-RPC session key. This is mandatory for all following LimeSurvey RemoteControl 2 function calls.

lsGetSessionKey(
  lsAPIurl = getOption("lsAPIurl"),
  username = getOption("lsUser"),
  password = getOption("lsPass"),
  setEnvir = TRUE
)

Arguments

lsAPIurl	(optional) The URL of the LimeSurvey RemoteControl 2 JSON-RPC API
username	(optional) The LimeSurvey user name
password	(optional) The LimeSurvey password
setEnvir	Sets a session key environment variable so that it doesn't have to be passed as an argument to other functions

On success: the session key.
On error:
- For protocol-level errors (invalid format etc), an error message.
- For invalid user name and password, returns a null error and the result body contains a 'status' name-value pair with the error message.

if (FALSE) {
  lsGetSessionKey()
}