You can collect loan payments and interest using your rcToken after the expiry. If you are providing liquidity remember to remove your liquidity from the pool in order to receive your rcTokens. Without rcTokens you will not be able to collect the loan payment and interest.
Step 1: When the expiration period occurs, you will have the option to select the "Collect" tab.
Step 2: Enter the full amount of tokens you can collect in this case we will 105 rcTokens and press "Confirm Collect".
Step 3: Confirm the Metamask transaction. This will return your 105 rcTokens and send you 105 DAI.