The Help operation returns information
about the Mechanical Turk Service operations and response
groups. You can use it to facilitate development and
documentation of your web site and tools. It is similar to the
Help operation found in other AWS web
services.
The following example of a Help operation
returns information about the
GetReviewableHITs operation.
http://mechanicalturk.amazonaws.com/onca/xml?Service=AWSMechanicalTurkRequester
&AWSAccessKeyId=[the Requester's Access Key ID]
&Version=2006-10-31
&Operation=Help
&HelpType=Operation
&About=GetReviewableHITsA request to the Mechanical Turk Service includes parameters that control its behavior and the data it returns. Required parameters must be included for the request to succeed.
Help accepts parameters common to all
operations. Some common parameters are required. See Common
Parameters for more information.
The following parameters are specific to the
Help operation:
| Name | Description | Type | Value |
|---|---|---|---|
Operation
|
Use the | Required |
Help
|
HelpType
|
The kind of help, either
| Required |
Operation
| ResponseGroup
|
About
|
The name of the operation or response group for which to return help. See Common Parameters for more information about response groups. | Required | A valid Mechanical Turk Service operation name or response group name |
A successful request for the Help operation
will have an Information element in the
response. Information will contain
either an OperationInformation element or
a ResponseGroupInformation element,
depending on the HelpType requested.
An OperationInformation element contains
a Name element with the name of the
operation, a Description element with a
description of the operation,
RequiredParameters and
AvailableParameters elements with
Parameter elements that list the required
and optional parameters to the operation, and
DefaultResponseGroups and
AvailableResponseGroups elements with
ResponseGroup elements that list the
default and available response groups for the operation.
A ResponseGroupInformation element
contains a Name element with the name of
the response group, a ValidOperations
element with Operation elements that list
the operations that return data for the group, and an
Elements element with
Element elements that list the elements
provided by the group. An element is specified as a
slash-delimited element path to the element in a response.