Is there any add-on that allows the user from his profile to delete his account?

Question

This question has been edited. The objective is that the user can unsubscribe at any time he wants to be no longer in database. I know that as an administrator one can eliminate. the function would be as much as possible that this function is enabled in delete user when the normal user wishes to be deleted

Comments

Could you provide a link to that plugin?

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From above: "it's not public and not open source."

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Why did you bother mentioning it exists? Are you selling it?

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The question was "is there ...?" which suggests the act of existence ... and he answered in the affirmative that such a plugin does in deed exist.