Fetching records from a REST endpoint not working in GET method

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Hi All,

I set up a REST end point. I need to select only one field.

The two problem I encountered are:

1. The loading is very slow.

2. It only lets me to select that field when I use the action hint "get one", not "get many".

I do have to say that the format of that REST end point is quite "unconventional". What I'm trying to pick up is the field "PlanItemLevelMembers". You can see below that it's a concatenated string, at the field "application/vnd.oracle.adf.resourceitem+json".

Do you have any tips or insights?

Thanks,

Alex