YAML

Syntax⚑

Multiline variables⚑

• Folding block (joins multiple lines together by spaces):

key: >
    hello
    world!

• Literal block (really multiline):

key: |
    thing1
    thing2
    anotherthing

(https://stackoverflow.com/questions/40230184/how-to-do-multiline-shell-script-in-ansible)