access an attribute of a target model in a many-to-many relationship

Hi, when I try to access an attribute of a target model in a many to many relationship, I get an error : AttributeError: 'ManyRelatedManager' object has no attribute 'full_name'

so, how to do ?

An exemple:

Class Person(models.Model):

    full_name = models.CharField(max_length=200)

    email = models.EmailField()

Class Message(models.Model):

   

    person = models.ManyToManyField(Person)

    title = models.CharField(max_length=200)

    body = models.TextField()

    

I have already created a Person object and Message object to the database:

   

mess = Message.objects.get(title="sos")

print(mess.person.email) // the error occurs here.

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