how to create a numbered list like 12.2.1?

[James21953383fnof]

[Mike Witherell]

Paragraph Style Options > Bullets and Numbering > List Type: Numbers > Numbering Style > Number: menu button > Insert Number Placeholder

See "Create Multi Level Lists"

[James21953383fnof]

Hi 

I've just tried what you have suggested, I'm still unable to create the desired effect above

[Mike Witherell]

Did you make at least two paragraph styles to account for the indentation?