Database.com Metadata API Developer's Guide - Salesforce.com

Metadata TypesQuickActionField NamefieldformulaliteralValueField TypestringstringstringDescriptionThe name of the specific field to allow overrides on.Specifies the formula to use when overriding a field.The value of the field without overrides.QuickActionLayoutThe layout of fields on the action. There is no hard limit to the number of fields you can add to an action layout. However,for optimum usability, we recommend a maximum of eight fields. Adding more than 20 fields can severely impact userefficiency.Field NamelayoutSectionStyleField TypeLayoutSectionStyle(enumeration of typestring)DescriptionThe type of layout structure used. The valid values are:• TwoColumnsTopToBottom• TwoColumnsLeftToRight• OneColumn• CustomLinksquickActionLayoutColumnsQuickActionLayoutColumn[]Specifies columns in a QuickActionLayout.QuickActionLayoutColumnA column defined for a QuickActionLayout.Field NamequickActionLayoutItemsField TypeQuickActionLayoutItem[]DescriptionSpecifies row items in a QuickActionLayoutColumn.QuickActionLayoutItemA row item comprised of fields and defined for a QuickActionLayoutColumn.Field NameemptySpacefielduiBehaviorField TypebooleanstringUiBehavior(enumeration of typestring)DescriptionControls if this layout item is a blank space (true) or not (false).Represents a specific field in QuickActionLayoutItem. There is nohard limit to the number of fields you can add to an action layout.However, for optimum usability, we recommend a maximum ofeight fields. Adding more than 20 fields can severely impact userefficiency.Specifies user input behavior for specific fields inQuickActionLayoutItem. The valid values are:• Edit• Required• Readonly141