Test method for connectivity test and benchmarking into the middle-tier. Requires authentication. Returns the submitted string. Returns back (echoes) the submitted payload string.
A single record of the following fields is returned.
Payload  | 
string  | 
The string submitted with the request.  | 
Method  | 
string  | 
The operation that requested this response.  | 
TransactionID  | 
decimal  | 
The unique message ID for this message.  | 
ErrorMessage  | 
string  | 
If blank, no error was returned.  | 
ErrorLocation  | 
string  | 
If blank, no error was returned.  |