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Reuters Data Specs for TBAs, EGBs and Agency Bonds?
Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
For Content related queries I recommend you raise a Content type ticket with helpdesk.
Also, you may potentially find the Data Model Discovery tool useful.
What is the rule you create guid for news in MRN in Elektron?
NewsFeedDirect vs Elektron MRN: news headline & body
MRN field coupling with old News Feed Direct
Which is the best API suited for news feed (streaming and historical)
Availability of MRN_STORY for testing before removal of N2_UBMS when retrieving data via EMS data feed using RFA API.