Type

Some default types and examples?

If an object is marked as <A>#<B>,

It means a specific type B of A is required.

<List#Map#Message> requires a list of objects, where each object type is Message.

Map One-to-one mapping

Empty object:

key: {}

key:
    a: 1
    b: 2

List List

Empty list:

key: []

key:
    - a
    - b
    - c

String String

key: "abc"

For multiline text usage, see https://yaml-multiline.info

Boolean True or False

key: true/false

Number Number

key: 123