Alexa doesn't play my playlist from apple music

So I have my Apple Music linked to Alexa and it does play apple music when I ask. But it only plays default my station or certain songs when I request. I want Alexa to play my favourite playlist, but no matter how hard I try, what words I use, she doesn't get it and plays something else. And when I ask her to just play apple music she just choose herself I don't even know what is it! I thought I would be able to play it straight from the apple music app, like I do with spotify, but no, Alexa plays something else and my phone then plays what I choose. Please help, I must be doing something wrong.