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-rw-r--r--activemodel/lib/active_model/errors.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 9c3bc913e1..917d3b9142 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -289,6 +289,13 @@ module ActiveModel
# # => NameIsInvalid: name is invalid
#
# person.errors.messages # => {}
+ #
+ # +attribute+ should be set to <tt>:base</tt> if the error is not
+ # directly associated with a single attribute.
+ #
+ # person.errors.add(:base, "either name or email must be present")
+ # person.errors.messages
+ # # => {:base=>["either name or email must be present"]}
def add(attribute, message = :invalid, options = {})
message = normalize_message(attribute, message, options)
if exception = options[:strict]