Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
You can use below webservice to know your quota of usage of RICs.
Documentation on the DataScope EstimatesSummaryExtractionRequest?
Thomson Reuters Business Classification scheme
Datascope API - Cannot create a extractioncontext and fetch rows
Foreign Ownership fields in DataScope?
Block Trades fields in DataScope only available for certain Exchanges?