Money.put_format_options

You're seeing just the function put_format_options, go back to Money module for more information.

put_format_options(money, options)

(since 5.5.0)

put_format_options(t(), Keyword.t()) :: t()

Add format options to a t:Money.

money is any valid t:Money type returned by Money.new/2
options is a keyword list of options. These options are used when calling Money.to_string/2. The default is []