7. default

In a config modifier schema, use default to specify a value to return if any of the previous keywords result in a non-existent value. This value can be a primitive value or an object.

This keyword executes at the following nesting level:

1. omit
2. constant
3. references
4. use
5. get
6. properties or if or concat or switch or pipe or merge
7. default
8. plugin

You could set a default value for a specific value if it doesn’t exist in the input.

1
{
2
  "favoriteAppetizer": "buffalo wings"
3
  "favoriteDessert": "cheesecake"
4
  "favoriteBeverage": "soda"
5
}

1
use: initialPayload
2
get: favorites.beverage
3
default: soda

1
"soda"