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

Metadata TypesLayoutField NamerelatedListsortFieldsortOrderField TypestringstringSortOrder(enumeration of typestring)DescriptionRequired. The name of the related list.The name of the field that is used for sorting.If the sortField is set, the sortOrder field determines the sortorder.• Asc - sort in ascending order• Desc - sort in descending orderSummaryLayoutControls the appearance of the highlights panel, which summarizes key fields in a grid at the top of a page layout, when CaseFeed is enabled. Available in API version 25.0 and later.Field NamemasterLabelsizeXsizeYsizeZsummaryLayoutItemssummaryLayoutStyleField TypestringintintintSummaryLayoutItem[]SummaryLayoutStyle(enumeration of typestring)DescriptionRequired. The name of the layout label.Required. Number of columns in the highlights panel. This mustbe between 1 and 4 (inclusive).Required. Number of rows in each column. This must be either 1or 2.Reserved for future use. If provided, the setting is not visible tousers.Controls the appearance of an indvididual field and its column androw position within the highlights panel grid, when Case Feed isenabled. At least one is required.Highlights panel style. Valid string values are:• Default• QuoteTemplate• DefaultQuoteTemplate• CaseInteraction• QuickActionLayoutLeftRight (Available in API version 28.0and later.)• QuickActionLayoutTopDown (Available in API version 28.0and later.)SummaryLayoutItemControls the appearance of an indvididual field and its column and row position within the highlights panel grid, when CaseFeed is enabled. You can have two fields per each grid in a highlights panel. Available in API version 25.0 and later.Field NamecustomLinkfieldposXField TypestringstringintDescriptionIf the item is a custom link, this is the customLink reference.The field name reference, relative to the page layout. Must be astandard or custom field that also exists on the detail page.Required. The item's column position in the highlights panel grid.Must be within the range of sizeX.120