Hello @mbeeraladinni ,
I suspect that by series you mean bonds; if this is the case, please review this previous discussion thread, both question and answer for possibilities on how to do it for bonds.
If you are after a different type of content, I would suggest to involve Refinitiv content experts for your required type of content directly, by submitting your question via Refinitiv Helpdesk Online -> Content -> Eikon and be connected with the relevant content expert. This forum will be of most help to you with questions on Refinitiv API usage, most of this forum's members are developers, the moderators of the forums are Refinitiv API experts and do not have in-depth expertise in the various types of content made available by Refinitiv.
Hope this information helps