How to specify a dynamic storage path?

When configuring the recording file storage path in the Console through the fileNamePrefix field, you can use built-in variables to specify a dynamic path for storing recording files. When the recording starts, variables are replaced with real values. The following two types of variables are currently supported:

Type	Variable	Description
Fixed variable	`${appId}`	App ID
	`${roomUuid}`	The `uuid` of the class to be recorded
Date variable	`${yyyy}`	Year
	`${MM}`	Month
	`${dd}`	Day
	`${yyyyMMdd}`, `${yyyyMM}`, `${yyyy-dd}`,`${MM_dd}`	Date variables can be combined, such as year-month-day, year-month, year-day, month-day, and so on.

For example, you set the fileNamePrefix field as follows:

"fileNamePrefix": [
  "scenario",
  "recording",
  "${appId}",
  "${yyyyMM}",
  "${roomUuid}"
]

The recording storage path is /scenario/recording/xxxxxxxxx/202107/demo/xxxxxxx_demo_0.mp4.