{
  "arguments": {
    "argument": [
      {
        "_content": "Your API application key. <a href=\"/services/api/misc.api_keys.html\">See here</a> for more details.",
        "name": "api_key",
        "optional": 0
      },
      {
        "_content": "Pass in the group id to where the topic belongs. Can be NSID or group alias. Making this parameter optional for legacy reasons, but it is highly recommended to pass this in to get faster performance. ",
        "name": "group_id",
        "optional": "0"
      },
      {
        "_content": "The ID of the topic to post a comment to.",
        "name": "topic_id",
        "optional": "0"
      },
      {
        "_content": "The message to post to the topic.",
        "name": "message",
        "optional": "0"
      }
    ]
  },
  "errors": {
    "error": [
      {
        "_content": "The topic_id is invalid.",
        "code": "1",
        "message": "Topic not found"
      },
      {
        "_content": "Either this account is not a member of the group, or discussion in this group is disabled.\n",
        "code": "2",
        "message": "Cannot post to group"
      },
      {
        "_content": "The topic_id and message are required.",
        "code": "3",
        "message": "Missing required arguments"
      },
      {
        "_content": "SSL is required to access the Flickr API.",
        "code": 95,
        "message": "SSL is required"
      },
      {
        "_content": "The passed signature was invalid.",
        "code": 96,
        "message": "Invalid signature"
      },
      {
        "_content": "The call required signing but no signature was sent.",
        "code": 97,
        "message": "Missing signature"
      },
      {
        "_content": "The login details or auth token passed were invalid.",
        "code": 98,
        "message": "Login failed / Invalid auth token"
      },
      {
        "_content": "The method requires user authentication but the user was not logged in, or the authenticated method call did not have the required permissions.",
        "code": 99,
        "message": "User not logged in / Insufficient permissions"
      },
      {
        "_content": "The API key passed was not valid or has expired.",
        "code": 100,
        "message": "Invalid API Key"
      },
      {
        "_content": "The requested service is temporarily unavailable.",
        "code": 105,
        "message": "Service currently unavailable"
      },
      {
        "_content": "The requested operation failed due to a temporary issue.",
        "code": 106,
        "message": "Write operation failed"
      },
      {
        "_content": "The requested response format was not found.",
        "code": 111,
        "message": "Format \"xxx\" not found"
      },
      {
        "_content": "The requested method was not found.",
        "code": 112,
        "message": "Method \"xxx\" not found"
      },
      {
        "_content": "The SOAP envelope send in the request could not be parsed.",
        "code": 114,
        "message": "Invalid SOAP envelope"
      },
      {
        "_content": "The XML-RPC request document could not be parsed.",
        "code": 115,
        "message": "Invalid XML-RPC Method Call"
      },
      {
        "_content": "One or more arguments contained a URL that has been used for abuse on Flickr.",
        "code": 116,
        "message": "Bad URL found"
      }
    ]
  },
  "method": {
    "description": {
      "_content": "Post a new reply to a group discussion topic."
    },
    "name": "flickr.groups.discuss.replies.add",
    "needslogin": 1,
    "needssigning": 1,
    "requiredperms": "2"
  },
  "stat": "ok"
}