1st-level enchantment
Casting Time: 1 action
Range: 30ft
Components: V
Duration: Concentration up to 1 minute.
You start a sentence that seems like it will lead into peddling, advertising, or otherwise something that very few people would have any interest in. They must make a Wisdom saving throw otherwise they tune out anything you say until you dismiss the spell.
Higher level casting: When you cast this spell using a spell slot of 2nd or higher level, the duration increases by 1 minute for each slot level above 1st