如何使用r for循环使用列表中的数据重复填充每个循环的模板

I want to write a script that will take a list of daily incomes and enter these incomes into a standard XML template. which currently has a placeholder where the income value should be. The aim is to generate n, in this case 3, api ready XML products with unique date and income fields. I cannot post actual data as it is confidential, so I've generated a simplified version. I want to write a script that will take a list