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Powershell/General Functions/Get-CommandDetails.ps1

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+# -------------------------------------------------------------------------------
+# Author: Blake Drumm ([email protected])
+# Date Created: November 1st, 2023
+# Edit line 7 if you want to change the module or command to get information on.
+# -------------------------------------------------------------------------------
+# Get details of commands in a specific module
+$commandDetailsList = foreach ($function in (Get-Command -Module OperationsManager)) {
+
+    # Determine the input types based on parameters accepting pipeline input
+    $inputTypes = $function.Parameters.Values | Where-Object {
+        $_.Attributes | Where-Object {
+            $_ -is [System.Management.Automation.ParameterAttribute] -and ($_.ValueFromPipeline -or $_.ValueFromPipelineByPropertyName)
+        }
+    } | ForEach-Object { $_.ParameterType.FullName } | Sort-Object -Unique
+
+    # Create a custom object for each function
+    $functionDetails = [PSCustomObject]@{
+        Name         = $function.Name
+        InputType    = if ($inputTypes) { $inputTypes } else { 'None' }
+        OutputType   = if ($function.OutputType) { $function.OutputType.Name } else { 'None' }
+        Parameters   = @()
+    }
+
+    # Get parameter details
+    foreach ($parameterName in $function.Parameters.Keys) {
+        $parameter = $function.Parameters[$parameterName]
+
+        # Retrieve aliases for the parameter
+        $aliasAttribute = $parameter.Attributes | Where-Object { $_ -is [System.Management.Automation.AliasAttribute] }
+        $aliases = if ($aliasAttribute -and $aliasAttribute.AliasNames) {
+            $aliasAttribute.AliasNames -join ', '
+        } else {
+            'None'
+        }
+
+        # Retrieve default value of the parameter
+        $defaultValue = if ($null -ne $parameter.DefaultValue -and $parameter.DefaultValue -ne '') {
+            $parameter.DefaultValue
+        } else {
+            'None'
+        }
+
+        # Check for wildcard support
+        $wildcardSupport = $parameter.Attributes | Where-Object {
+            $_ -is [System.Management.Automation.ParameterAttribute] -and $_.SupportsWildcards
+        }
+
+        # Check for pipeline input support
+        $pipelineInput = $parameter.Attributes | Where-Object {
+            $_ -is [System.Management.Automation.ParameterAttribute] -and ($_.ValueFromPipeline -or $_.ValueFromPipelineByPropertyName)
+        }
+        $pipelineInputType = 'None'
+        if ($pipelineInput.ValueFromPipeline) {
+            $pipelineInputType = 'ByValue'
+        } elseif ($pipelineInput.ValueFromPipelineByPropertyName) {
+            $pipelineInputType = 'ByPropertyName'
+        }
+
+        # Check if the parameter has a specific position
+        $positionAttribute = $parameter.Attributes | Where-Object {
+            $_ -is [System.Management.Automation.ParameterAttribute] -and $_.Position -ne -2147483648
+        }
+        $position = if ($positionAttribute) { $positionAttribute.Position } else { 'Named' }
+
+        # Create a custom object for each parameter
+        $paramDetails = [PSCustomObject]@{
+            Name                   = $parameterName
+            Type                   = $parameter.ParameterType.FullName
+            DefaultValue           = $defaultValue
+            Required               = $parameter.Attributes.Mandatory
+            AcceptsWildcardChars   = $wildcardSupport -ne $null
+            AcceptsPipelineInput   = $pipelineInputType
+            Position               = $position
+            Aliases                = $aliases
+        }
+
+        # Add the parameter details object to the function details
+        $functionDetails.Parameters += $paramDetails
+    }
+
+    # Return the custom object for the function
+    $functionDetails
+}
+
+# Output the details or store them in a variable for further processing
+$commandDetailsList