messages icon not showing notifications

Hi I've just installed apex launcher and a new theme but my messages app icon isn't telling me if I've received mail. (No tiny numbers appear on the icon) It works fine using my stock launcher and I've gone to app setting to make sure notification are ticked/checked. Hopefully somebody can help please?

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Welcome to the forums. I think that is a Pro feature. Do you have that installed as well?

Thanks for that. I've just got the free version at the moment so that's most likely the reason.

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