How can i read drop down list entries?

Hello

I am aware of fillling a drop down list for a DDK field of UI by using below code, but am looking to read / get the value list of a DDK field, so that i can delete 1 entry from that, pls. let me know how can get / read value list of a DDK

IF_WD_CONTEXT_NODE_INFO-SET_ATTRIBUET_VALUE_SET

Thank you