Drag and drop SQL

CREATE PROCEDURE [dbo].[falcon_dragDrop]
   @parameters ExtendedDictionaryParameter readonly,
    @username nvarchar(256)
AS
BEGIN
    DECLARE @elementItemID INT, @elementCode nvarchar(128), @containerItemID INT, @containerCode nvarchar(128)
    SELECT @elementItemID = try_cast(Value2 AS INT) FROM @parameters WHERE LOWER([KEY])='elementitemid'
    SELECT @elementCode= Value2 FROM @parameters WHERE LOWER([KEY])='elementcode'
    SELECT @containerItemID = try_cast(Value2 AS INT) FROM @parameters WHERE LOWER([KEY])='containeritemid'
    SELECT @containerCode = Value2 FROM @parameters WHERE LOWER([KEY])='containercode'



    DECLARE @actionType nvarchar(128) = CASE
        WHEN @elementCode= 'copyType' THEN 'copy'
        WHEN @elementCode= 'moveType' THEN 'move'
        WHEN @elementCode=  'deleteType' THEN 'delete'
        WHEN @elementCode= 'backType' THEN 'back'
    END

    EXEC as_print @str=@elementCode

    -- SELECT 1
    SELECT 1 RESULT, iif(@elementCode='moveAlert' , 'OK!', '') Msg, 'fa-cogs' icon, 'body' RefreshContainer, @actionType [action] -- move, back, delete, copy

    -- SELECT 2 Outer commands

END