Transitions are part of Explaindio 2022 PRO Creator Pack which loaded inside your Explaindio 2022 Software Libraries by the API when you Validate your Explaindio API. So, please make sure you've correctly validated your Explaindio API.

So, if you don't find any Transition inside your Explaindio 2022 Software, that means:

1. May be you didn't buy the Explaindio 2022 PRO Creator Pack. If you haven't already, please consider buying Explaindio 2022 PRO Creator Pack to get the Transitions inside your Explaindio 2022 Software. 

2. Or, May be you didn't validate your API correctly. In that case, you may follow the instructions in this support article to correctly validate your Explaindio API: