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Download chain ric constituents

Hi,

is it possible using DSS rest api to get the constituents of a chain ric, in this case 0#GEM.HK

Can i use HistoricalChainResolution?
at the moment running that i get

"message": "The user does not have permission to perform the requested operation."

So i wish to know if that could list the contituents.

If its not the case please let me know if there are other methods i could explore.

Thanks!

dss-rest-apidatascope-selectdsschain-ric
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@cj.talas

You can use try below and the chain will be expanded to constituents.

https://hosted.datascopeapi.reuters.com/RestApi/v1/Extractions/ExtractWithNotes

{
    "ExtractionRequest": {
        "@odata.type": "#ThomsonReuters.Dss.Api.Extractions.ExtractionRequests.TermsAndConditionsExtractionRequest",
        "ContentFieldNames": ["RIC"],
        "IdentifierList": {
            "@odata.type": "#ThomsonReuters.Dss.Api.Extractions.ExtractionRequests.InstrumentIdentifierList",
            "InstrumentIdentifiers": [{"Identifier": "0#GEM.HK","IdentifierType": "ChainRIC"}],
            "ValidationOptions": null,
            "UseUserPreferencesForValidationOptions": false
        }
    }
}

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@cj.talas

Historical Chain expansions are available only for Tick History product users, I assume you are DSS user hence you are getting this error. Please get in touch with your point of contact in Refinitiv to discuss the Tick History offering.

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@nityanand.koppad

With regards to Tick History product, got it.
Are there any other method to retrieve the chain ric constituents using the DSS API?

Thanks!

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@nityanand.koppad

Thanks! question is answered and solved!

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