Import Excel action

Hello all,I have the program IDs in my application, Where i need to import some datas for that IDs.I tried it with Excel import but the datas are stored as a new program IDs, the existing IDs are still empty. Everytime its replicates the IDs while importing datas .Please tell me the solution to fix this problem. Thank you all
1 answers

You need to set that ID attribute as primary key in you excel import template and import action should be synchronize objects