Trying to add a spell to a familiar

[Cid]

I'm making an NPC, but i can't see where i might be able to add a spell-like ability to her Familiar!

She's an Eldritch Knight crime-lord with the Magic Initiate feat and i'm tying all those spells to her Infernal Cat. The cat isn't supposed to be your average familiar. She has a few spell like abilities (Misty Step, etc...).

I can't see anywhere in the personal tab on the familiar to do this.