TTMSMCPHTTPServerResponse.ResponseCode Property
Status code to answer with.
0until the handler sets one.
API unit family: TMS.MCP.HTTPServer
Declaring type: TTMSMCPHTTPServerResponse
Type: Integer
Syntax
property ResponseCode: Integer;
Remarks
Set it before the headers go out. Leaving it at 0 means the handler expressed no outcome, so set it explicitly on every path, including error paths.