If you [really] love Me, you will keep (obey) My commands.
John 14:15 AMP
Christ showed his love for the disciples by humbling himself and washing their feet. Afterwards, he explained how he would be betrayed and be denied despite his acts of humility and love. Jesus goes on to tell the disciples "If you love me, keep my commandments." The word "if" is a conjunction Merriam-Webster defines as in the event that, on condition that, allowing that, or on assumption that. A conjunction within a sentence shows an action or an instance of two or more events or things occurring