# Known meta-keys

Look at this list for example of functions and meta used depending on the function type.

# Used in Lynx Frontend

Key Description
name Specifying name, for functions and devices.
format C-formar string to show the value for functions eg. %.2f °C.
unit Unit appended to the value if no format is specified for functions. Eg. °C.
pinned Used to mark the functions as important and shown on overview.
topic_read Where on MQTT to find the value for the function.

# Used in IoT Open App

Key Description
visible If it should be hidden or not, true or false.
icon Icon from the app.