In PowerShell, you can pass credentials as parameters using the `Get-Credential` cmdlet to prompt the user for credentials and then pass those credentials to other cmdlets or functions. Here’s a basic example:
# Function that accepts credentials as parameters
function Do-SomethingWithCredentials {
param (
[Parameter(Mandatory=$true)]
[string]$Username,
[Parameter(Mandatory=$true)]
[string]$Password
)
# Use the provided credentials
Write-Host "Username: $Username"
Write-Host "Password: $Password"
}
# Prompt the user for credentials
$credentials = Get-Credential -Message "Enter your credentials"
# Call the function with the provided credentials
Do-SomethingWithCredentials -Username $credentials.UserName -Password ($credentials.Password | ConvertFrom-SecureString)
In this example:
1. We define a function `Do-SomethingWithCredentials` that takes two parameters: `$Username` and `$Password`.
2. We use `[Parameter(Mandatory=$true)]` attribute to make sure that both parameters are mandatory.
3. We prompt the user for credentials using the `Get-Credential` cmdlet and store the result in the `$credentials` variable.
4. We then pass the username and password from the `$credentials` object to the `Do-SomethingWithCredentials` function.
5. Note that the password is converted from a `SecureString` to a plain text string using `ConvertFrom-SecureString`. This is necessary because most cmdlets and APIs expect the password to be in plain text format.
When you run this script, it will prompt you to enter your credentials, and then it will display the provided username and password. Make sure to handle the credentials securely and avoid storing them in plain text whenever possible.