To add an automated text to speech (TTS):

Step 1: Make sure you are on the Canvas Editor.

Step 2: On the Timeline, click on the 🎙 (Add Voiceover) option and select Automated text to speech.

Step 3: On the left panel, you will get the option to enter the text for which you want the voice to be generated.

Step 4: You can select the language accent and the voice from the options provided.

Step 5: Click on Generate voiceover. You can then preview the voiceover that was just generated.

Step 6: Click on the Add button below to add the generated voiceover.

Note: We can add a comma or full stop to give pauses or emphasize certain words.