Perform a HEAD method REST call against an endpoint. This will return no body if the server honors the request, but the body is returned in case the server does return one.

If no body is returned, an empty string will be present in FDR_RESPONSE_STRING.

Environment/Instance Properties

Property Name	Property Code	Required	Description

Project Properties

Property Name	Property Code	Required	Description

Inputs

Input Name	Input Code	Required	Description
REST URL	`FDR_REQUEST_URL`	Yes	URL to the desired REST Service
Query String	`FDR_QUERY_STRING`	No	Query String to be used. Use Groovy if desired to use FlexDeploy variables in the query string. 'a=b&c=d&e='+FD_TEMP_DIR+'&f=g' or, if not using Groovy, simply a=b&c=d Spaces will not be trimmed from the string.
Username	`FDR_USER`	No	The username for authentication
Password	`FDR_PASSWORD`	No	The password for authentication
Preemptive Authentication (As of 4.5.1.2)	`FDR_PREEMPTIVE_AUTH`	No	Use preemptive Basic authentication (provide authentication before being asked) if false, non-preemptive Universal authentication is used.
Request Media Type	`FDR_REQUEST_MEDIA_TYPE`	No	The media type to request from the server

Outputs

Output Name	Required	Description
`FDR_RESPONSE_CODE`	No	The Integer response code of from the REST response
`FDR_RESPONSE_STRING`	No	The first Response Entity is returned as a String.

Artifacts

This operation doesn’t consume or produce any artifacts.

Endpoint Selection

This operation will select all available endpoints associated to the Environment/Instance.

Endpoint Execution

This operation will execute on any one of the selected endpoints and will be random in the determination of which one.