static create(data, callback, txn) {

    let model = new this(data);
    return model.save(callback, txn);

  }
Creates a new model instance using the provided data.
@param {object} data The data to load into the object.
@param {function({Error} err, {Nodal.Model} model)} callback The callback to execute upon completion
@param {Transaction} txn OPTIONAL: The SQL transaction to use for this method