gistfile1.txt

Rest call:
  /_api/collection/collection-identifier/parameter

I got follows error:
  {"error":true,"code":404,"errorNum":404,"errorMessage":"expecting one of the resources 'count', 'figures'"}

[tamtam@tamsvr20 tmp]$ curl -X GET --dump - http://localhost:8529/_api/collection/tamtam
HTTP/1.1 200 OK
connection: Keep-Alive
content-type: application/json
server: triagens GmbH High-Performance HTTP Server
location: /_api/collection/130920
content-length: 65

{"id":130920,"name":"tamtam","status":3,"error":false,"code":200}


[tamtam@tamsvr20 tmp]$ curl -X GET --dump - http://localhost:8529/_api/collection/tamtam/parameter
HTTP/1.1 404 Not Found
connection: Keep-Alive
content-type: application/json
server: triagens GmbH High-Performance HTTP Server
content-length: 107

{"error":true,"code":404,"errorNum":404,"errorMessage":"expecting one of the resources 'count', 'figures'"}

sorry.., source-code in my local-machine was not latest. git pull and re-compiled, It's solved!