Initiates a SystemLink Server connection using HTTP or HTTPS. The function authenticates the connection with a valid username and password.

Inputs/Outputs

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server url

URL of the server where this node sends the web request.

Default value: http://localhost:80

URL Syntax

Part Definition Example
Scheme Protocol the web service uses. http://
Host Domain name or IP address of the service. localhost
Port HTTP port of the web service. If you don't specify a port, the web service uses the default port. 80

Use the following syntax to prompt a connection to the SystemLink Server: https://host:<port>.

To host a web application on a SystemLink Server, leave the server url input empty.

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username

Login username for the server.

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password

Login password for the server.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Default value: No error

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configuration

Connection to the server.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Programming Patterns

  • Transferring Data Using Tags
  • Sending Messages Between Systems

Node Configuration for Hosting Your Web Application on SystemLink Server

When you host your web application on SystemLink Server, leave the server url, username, and password inputs of the Open Configuration (User) node empty. To minimize security vulnerabilities, SystemLink Server will use your LDAP or Windows user account credentials for authentication.