diff options
| -rwxr-xr-x | activerecord/lib/active_record/validations.rb | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb index 950cf54b12..53c4f596fe 100755 --- a/activerecord/lib/active_record/validations.rb +++ b/activerecord/lib/active_record/validations.rb @@ -364,8 +364,14 @@ module ActiveRecord end end - # Validates that the specified attributes are not blank (as defined by Object#blank?). Happens by default on save. + # Validates that the specified attributes are not blank (as defined by Object#blank?). Happens by default on save. Example: # + # class Person < ActiveRecord::Base + # validates_presence_of :first_name + # end + # + # The first_name attribute must be in the object and it cannot be blank. + # # Configuration options: # * <tt>message</tt> - A custom error message (default is: "can't be blank") # * <tt>on</tt> - Specifies when this validation is active (default is :save, other options :create, :update) |