As far as I know, you need to create an invoice with any amounts you want.

Like this lnbc690n1p374vpzpp5m72v5gnk8lgn497845c79zpu0en8lgrqkmt0r86ethhhyyu3zm7sdq0f35kkefqw35xjuccqzpgxqyz5vqsp5mu68562jvlq7ppqgx6ed3wm03f30hawvgkftehwnf0dmeyl8tm5q9qyyssqmdrud79ecpvxqrwf3sqlp2rzw3kfksyc8ng0pqgftdhuc9u86kt9gafecjas50njsvr0e38n36jjx36d3743pu4kgah7tmjs9ruz88qq0vrlw4