not_empty_list

Checks that the value is a list with at least one element.

Error codes: CANNOT_BE_EMPTY if the value is missing or the list is empty, FORMAT_ERROR if the value is present but is not a list.

Live example · edit rules or inputOpen in playground

rules

{
    product_ids: 'not_empty_list'
}

{ product_ids: 'not_empty_list' }

input

{
    product_ids: []
}

{ product_ids: [] }

Invaliderrors

{
  "product_ids": "CANNOT_BE_EMPTY"
}