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javascript - Sequelize onDelete not working

I have associations between two models defined as below:

For Contact Model (in a separate file)

classMethods: {
      associate: function (models){
         Contact.belongsTo(models.User)
      }
}

For User(in a separate file)

classMethods: {
     associate: function (models){
        User.hasMany(models.Contact, {onDelete: 'CASCADE'})
     }
}

The problem is when deleting the user the contact related to the user is not deleting any advice on what am I doing wrong would be helpful?

Thanks in advance

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I think you need to define it the other way around.

Contact.belongsTo(models.Users, {
    foreignKeyConstraint: true
    , onDelete: 'cascade'
})

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