| ClientIDs | ClientID[] | Specifies accounts and sub-accounts, including Enterprise 2.0, On-Your-Behalf, and Lock & Publish accounts, from which to retrieve data. |
| ContinueRequest | xsd | Represents the RequestID that identifies a previous Retrieve requestto continue processing (returns the next available batch of data for that request). |
| PartnerProperties | APIProperty[] | A collection of metadata supplied by the client and stored by the system. These properties are accessible only via API. |
| Query | Query | Specifies an SQL query to be stored in a Query definition. You can find nore information on writing SQL queries for a query activity in the Query Activity document. |
| QueryAllAccounts | xsd | Queries all accounts, including parent and all children, regarding an event (ignores specified ClientIDs). |
| RespondTo | AsyncResponse[] | Reserved for future use. |
| RetrieveAllSinceLastBatch | xsd | Retrieve all data since last retrieve context. Works with added and modified data. You must include the same properties and filters as the previous request. |