functions/Get-DbaDbStoredProcedure.ps1

function Get-DbaDbStoredProcedure {
    <#
        .SYNOPSIS
            Gets database Stored Procedures
 
        .DESCRIPTION
            Gets database Stored Procedures
 
        .PARAMETER SqlInstance
            The target SQL Server instance(s)
 
        .PARAMETER SqlCredential
            Allows you to login to SQL Server using alternative credentials
 
        .PARAMETER Database
            To get Stored Procedures from specific database(s)
 
        .PARAMETER ExcludeDatabase
            The database(s) to exclude - this list is auto populated from the server
 
        .PARAMETER ExcludeSystemSp
            This switch removes all system objects from the Stored Procedure collection
 
        .PARAMETER Silent
            Use this switch to disable any kind of verbose messages
 
        .NOTES
            Tags: Databases
            Author: Klaas Vandenberghe ( @PowerDbaKlaas )
 
            Website: https://dbatools.io
            Copyright: (C) Chrissy LeMaire, clemaire@gmail.com
            License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0
 
        .EXAMPLE
            Get-DbaDbStoredProcedure -SqlInstance sql2016
 
            Gets all database Stored Procedures
 
        .EXAMPLE
            Get-DbaDbStoredProcedure -SqlInstance Server1 -Database db1
 
            Gets the Stored Procedures for the db1 database
 
        .EXAMPLE
            Get-DbaDbStoredProcedure -SqlInstance Server1 -ExcludeDatabase db1
 
            Gets the Stored Procedures for all databases except db1
 
        .EXAMPLE
            Get-DbaDbStoredProcedure -SqlInstance Server1 -ExcludeSystemSp
 
            Gets the Stored Procedures for all databases that are not system objects
 
        .EXAMPLE
            'Sql1','Sql2/sqlexpress' | Get-DbaDbStoredProcedure
 
            Gets the Stored Procedures for the databases on Sql1 and Sql2/sqlexpress
    #>

    [CmdletBinding()]
    param (
        [parameter(Mandatory, ValueFromPipeline)]
        [Alias("ServerInstance", "SqlServer")]
        [DbaInstanceParameter[]]$SqlInstance,
        [PSCredential]$SqlCredential,
        [object[]]$Database,
        [object[]]$ExcludeDatabase,
        [switch]$ExcludeSystemSp,
        [switch]$Silent
    )

    process {
        foreach ($instance in $SqlInstance) {
            try {
                Write-Message -Level Verbose -Message "Connecting to $instance"
                $server = Connect-SqlInstance -SqlInstance $instance -SqlCredential $sqlcredential
            }
            catch {
                Stop-Function -Message "Failure" -Category ConnectionError -ErrorRecord $_ -Target $instance -Continue
            }
            
            $databases = $server.Databases
            
            if ($Database) {
                $databases = $databases | Where-Object Name -In $Database
            }
            if ($ExcludeDatabase) {
                $databases = $databases | Where-Object Name -NotIn $ExcludeDatabase
            }

            foreach ($db in $databases) {
                if (!$db.IsAccessible) {
                    Write-Message -Level Warning -Message "Database $db is not accessible. Skipping."
                    continue
                }
                if ($db.StoredProcedures.Count -eq 0) {
                    Write-Message -Message "No Stored Procedures exist in the $db database on $instance" -Target $db -Level Output
                        continue
                }

                foreach ($proc in $db.StoredProcedures) {
                    if ( (Test-Bound -ParameterName ExcludeSystemSp) -and $proc.IsSystemObject ) {
                        continue
                    }

                    Add-Member -Force -InputObject $proc -MemberType NoteProperty -Name ComputerName -value $server.NetName
                    Add-Member -Force -InputObject $proc -MemberType NoteProperty -Name InstanceName -value $server.ServiceName
                    Add-Member -Force -InputObject $proc -MemberType NoteProperty -Name SqlInstance -value $server.DomainInstanceName
                    Add-Member -Force -InputObject $proc -MemberType NoteProperty -Name Database -value $db.Name

                    $defaults = 'ComputerName', 'InstanceName', 'SqlInstance', 'Database', 'Schema', 'ID as ObjectId', 'CreateDate', 
                        'DateLastModified', 'Name', 'ImplementationType', 'Startup'
                    Select-DefaultView -InputObject $proc -Property $defaults
                }
            }
        }
    }
}