%%{init:{"theme": "forest"}}%%
mindmap
  root(Top topic)
    sub topic 1
      sub sub topic 1a
      sub sub topic 1b
    sub topic 2
      sub sub topic 2a
      sub sub topic 2b

<aside> 💡 copy the property texts in “mindmap text” to code block under the “mindmap”

</aside>

Mermaid mindmap