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Can you pass a on user demand workflow parameter into a script

mpemba
27 days ago

We are looking to publish a workflow in ARS that will allow a user to input a parameter. The parameter would be a ServiceNow RITM number. We would like to pass that parameter to a powershell script inside the workflow. In the script we will query a log file using the RITM number.

Is this possible?

I see posts about going the other way, using scripts to set parameters in a workflow, like this one:

"Script format for defining Workflow parameter value"

When you create a notification in a workflow, you can modify the notification message and reference the parameters and include them in the message with this

Workflow.ParameterValue["Password"]

I'm looking for the equivalent of that for inside of a script. 

I have tried:

function onInit($context)
{

$param = $workflow.Parameter("TestParam")

$param2 = $context.Parameter("Password")

#Workflow.ParameterValue["Password"]

}

And this

function onPreCreate($Request)
{
$strClass = $Request.Class
if ($strClass -eq "user") {
$strPass = [string]$Context.Parameter("Password")
$strPass | Out-File '\\ServerName\c$\param2.txt'
}
}

Wanted to specific this would be for a "on user demand workflow"

Parents
  • +1 27 days ago

    Hello, please have look at the Active Roles SDK under the section "Retrieving data from workflow context". The script that runs within the Workflow can retrieve values set on Parameters via:

    $workflow.Parameter(name)

    Where (name) is the name given to the Parameter in the Workflow. No need to use the onInit function and name the function in your script a custom name and don't use one of the built-in event triggers like onPreModify for example.

Reply
  • +1 27 days ago

    Hello, please have look at the Active Roles SDK under the section "Retrieving data from workflow context". The script that runs within the Workflow can retrieve values set on Parameters via:

    $workflow.Parameter(name)

    Where (name) is the name given to the Parameter in the Workflow. No need to use the onInit function and name the function in your script a custom name and don't use one of the built-in event triggers like onPreModify for example.

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