YAML

Is a human-friendly data serialization language. Used in Obsidian or Home Assistant

General

• In Markdown Front Matter: starts and end with ---
• Syntax: key: value
• Whitespace (2 spaces) indentation is used to denote structure, but number of space is irrelevant
• Tabs are not indentation
• Lists members are denoted in -

# This is a comment
simple_key: value

Lists

list_inline: [apple, pears, oranges]
list_indented:
  - apples
  - pears
  - oranges
women:
  - Mary Smith
    age: 28
    height: 180
  - Susan Williams

References

• Tutorialsoint YAML