Change planned purchase order status as draft insted of default approved

When we create purchase order using planned order its default approval status will be approved as displayed in screenshot.

To change that status to draft write following code where we will change its status to draft and further code to is to remove version of purchase order which necessary to make delete button enabled on purchase order form


code:-


/// <summary>
/// extension of class: ReqTransPoMarkFirm
/// </summary>
[ExtensionOf(classStr(ReqTransPoMarkFirm))]
final class ReqTransPoMarkFirmCFSClass_Extension
{
    public container conPurchOrders;

    /// <summary>
    /// updatePurchTable
    /// </summary>
    /// <param name = "_purchTable">_purchTable</param>
    protected void updatePurchTable(PurchTable _purchTable)
    {
        conPurchOrders += _purchTable.PurchId;

        next updatePurchTable(_purchTable);
    }

    /// <summary>
    /// purchTablePostProcessing
    /// </summary>
    protected void purchTablePostProcessing()
    {
        next purchTablePostProcessing();

        for (int i = 1; i <= conLen(conPurchOrders); i++)
        {
            PurchTable purchTable = PurchTable::find(conPeek(conPurchOrders, i), true);

            if(purchTable.RecId)
            {
                ttsbegin;
                //delete the version created for po
                PurchTableVersion purchTableVersion = PurchTableVersion::findLatest(purchTable.PurchId, purchTable.DataAreaId, true);

                if(purchTableVersion.RecId)
                {
                    purchTableVersion.delete();
                }

                purchTable.ChangeRequestRequired = NoYes::No;
                purchTable.DocumentState         = VersioningDocumentState::Draft;
                purchTable.update();

                ttscommit;
            }
        }
    }

}

I hope this will helo you,thank you