Add Fields to a table using X++ code

static void createFieldFromCode(Args _args)
{
    #AOT
    TreeNode tableNode;
    AotTableFieldList myAOTTablefieldList;
    SysDictTable sysDictTable = new SysDictTable(tablenum(Table_Test));
    ;
    myAOTTablefieldList = new AotTableFieldList();
    tableNode = TreeNode::findNode(#TablesPath+'\\'+sysDictTable.name());
    myAOTTablefieldList = TreeNode::findNode(#TablesPath+'\\'+sysDictTable.name() + "\\Fields");
    if(!myAOTTablefieldList.AOTfindChild("newField")) // check if the field alredy exists
    {
    myAOTTablefieldList.addString("newField");
    }
    tableNode.AOTsave();
}