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

Metadata TypesWorkflowField NameformulafullNameliteralValuelookupValuelookupValueTypenamenotifyAssigneeoperationField TypestringstringstringstringLookupValueType(enumeration of type string)stringbooleanFieldUpdateOperation(enumeration of type string)DescriptionIf the operation field value is Formula, this is set to aformula used to compute the new field value.Required. The developer name used as a unique identifier forAPI access. The fullName can contain only underscoresand alphanumeric characters. It must be unique, begin witha letter, not include spaces, not end with an underscore, andnot contain two consecutive underscores. This field isinherited from the Metadata component.If the operation field value is Literal, this is the literalvalue for the field.If the operation field value is lookupValue, this is thelookup value that is referenced.The type of object that the lookupValue field value isreferencing. The valid values are:• Queue• RecordType• UserRequired. A name for the component. Available in versionAPI 16.0 and later.Required. Notify the assignee when the field is updated.Required. The operation that computes the value with whichto update the field. Valid values are:• Formula - Indicates the field will be set to a formula. Ifset, the formula must be a valid formula.• Literal - Indicates the field will be set to a literal value.If set, the literalValue must be a valid literal value for thisfield.• LookupValue - Similar to Literal, but for an objectreference, such as a contact, user, account, etc. If set, thelookupValue element must be set. Only User issupported in the current API.• NextValue - Indicates that the field will be set to itsnext value; this is only allowed when the field updatereferences a picklist.• Null - Indicates the field will be set to null.• PreviousValue - Indicates that the field will be set toits previous value; this is only allowed when the fieldupdate references a picklist.protectedreevaluateOnChangebooleanbooleanRequired. Indicates whether this component is protected(true) or not (false). Protected components cannot belinked to or referenced by components created in the installingorganization.When set to true, if the field update changes the field’s value,all workflow rules on the associated object are re-evaluated.Any workflow rules whose criteria are met as a result of thefield value change will be triggered.172