Runtime Environment Configuration - Environment Variables tab

List
A list of set variables and their corresponding values.
Variable
The name of an environment variable to use during run time in a deployed service.
Value
A value for the environment variable specified in the Variable field.
Locate
On the List of set variables, locates the variable specified in the Variable field and populates the Value field with its current value.
Set
Sets the variable defined.
Delete
Deletes a selected variable from the list.