Slot in Definition & Meaning - Merriam-Webster

Conjugation in Present, Past & Past Participle Tense, lot Verb Forms slot past tense Word forms: plural, 3rd person singular present tense slots , present participle slotting , past tense, past participle slotted 1 countable noun A slot is slot games free bonus no deposit Present perfect You have 'just' done this so this is the correct tense I would add 'at' :

slot lagos “I will slot in the meeting tomorrow at 10 AM to discuss the project progress ” Verb △ Past tense for to join or unite added