private function student_fields_on_creation() {

		$student_id = $this->current_student_id( true );

		// The `post_author_override` is the same used in WP core for the author selector.
		$field_id = 'post_author_override';

		$field = array(
			'id'        => $field_id,
			'type'      => 'hidden',
			'value'     => $student_id,
			'skip_save' => true,
			'required'  => true,
		);

		if ( empty( $student_id ) ) {
			$field = array(
				'allow_null'      => false,
				'class'           => 'llms-select2-student',
				'data_attributes' => array(
					'allow_clear' => false,
					'placeholder' => __( 'Select a Student', 'lifterlms' ),
				),
				'id'              => $field_id,
				'label'           => ' ' . __( 'Select a Student', 'lifterlms' ),
				'type'            => 'select',
				'skip_save'       => true,
				'required'        => true,
			);
		}

		return $this->process_field( $field );
	}