A decision block that checks the phone call ringer mode.
If the proceed option is set to Immediately,
then check the current ringer mode, without pausing the fiber.
If set to When changed, then the fiber will pause until the ringer mode has changed to, or not to Ringer mode.
- Proceed — when the fiber should proceed.
- Ringer mode — ringer mode to check for, default is Normal.
- Current ringer mode — variable to assign the current ringer mode.