Blockly.Msg.STRUCTURE_MUTATORMEM_POINTER+ '%1 ' + Blockly.Msg.VARIABLES_POINTER_DECLARE_ITERATION + ' %2 ' +
            Blockly.Msg.VARIABLES_DECLARE_NAME + ' %3 ', ['TYPES', new Blockly.FieldDropdown(TYPE)], ['ITERATION', new Blockly.FieldDropdown(ITERATION)], ['NAME', new Blockly.FieldTextInput('y', Blockly.Blocks.CNameValidator)],