# Parameters Information

## Content



Parameters information service uses [Parameters](/componentone/api/webapi/online-webapi/dotnet-framework-api/C1.Web.Api.Report/C1.Web.Api.Report.Models.Parameter.html) API to enable users to get the parameters description for specified report and use this information to initialize parameter panel. Your client application sends an HTTP request to the service application for using Parameters API.

### Parameters Information Service Request Schema

To obtain the information of all the parameters defined in a report through client, you need to use GET method. Report file path and report name are specified in the request URL, as:

`GET: http://<host>[:port]/api/report/{reportpath}/$report/parameters`

The following illustration depicts a request URL with parameters to get a report's parameter description.<br />

![](https://cdn.mescius.io/document-site-files/images/66c72527-2495-47b0-9257-2ee31dae74e5/images/reportparametersurl.png)

**URL Parameters**

Parameters service URL primarily accepts **report** **path**. You need to specify the full report file path in the Request Url.

**Response Messages**

| HTTP Status Code | Reason |
| --- | --- |
| 200 | Json string containing collection of IParameter. |
| 404 | The report path does not exist. |

### Parameter Service Request Schema

To get the parameter with specified name defined in the report definition, you need to use GET method. Report file path and report name are specified in the request URL, as:

`GET:http://<host>[:port]/api/report/{reportpath}/$report/parameters/{parametername}`

**URL Parameters**

Parameters service URL primarily accepts two parameters **report path** and **parameter name**. You need to specify the report file name and the parameter name in the Request Url.

**Response Messages**

| HTTP Status Code | Reason |
| --- | --- |
| 200 | Json string containing IParameter type object. |
| 404 | The report path or parameter name does not exist. |

For more information on Report Services, see [WebApiExplorer demo](https://demos.componentone.com/ASPNET/WebApiExplorer).