Not easy! however I have come across some videos on Youtube which have been most helpful.
The 3rd one is quite funny and make you see, that you are not alone in feeling a little frustrated, as potty training is a transition for everyone, so never fear watching and learning from others can really help.
There are some great story books and cartoon type videos too to help. An example below:
I hope you found this useful and if you want to share some tips please do, be most welcomed.
Many thanks for reading and watching,