public function get_item_schema() {
		$schema = array(
			'$schema'    => 'http://json-schema.org/draft-04/schema#',
			'title'      => 'bp_xprofile_field',
			'type'       => 'object',
			'properties' => array(
				'id'                => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'A unique numeric ID for the profile field.', 'buddypress' ),
					'readonly'    => true,
					'type'        => 'integer',
				),
				'group_id'          => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The ID of the group the field is part of.', 'buddypress' ),
					'type'        => 'integer',
				),
				'parent_id'         => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The ID of the parent field.', 'buddypress' ),
					'type'        => 'integer',
				),
				'type'              => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The type for the profile field.', 'buddypress' ),
					'type'        => 'string',
					'enum'        => buddypress()->profile->field_types,
					'arg_options' => array(
						'sanitize_callback' => 'sanitize_key',
					),
				),
				'name'              => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The name of the profile field.', 'buddypress' ),
					'type'        => 'string',
					'arg_options' => array(
						'sanitize_callback' => 'sanitize_text_field',
					),
				),
				'description'       => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The description of the profile field.', 'buddypress' ),
					'type'        => 'object',
					'arg_options' => array(
						'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
						'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
					),
					'properties'  => array(
						'raw'      => array(
							'description' => __( 'Content for the profile field, as it exists in the database.', 'buddypress' ),
							'type'        => 'string',
							'context'     => array( 'edit' ),
						),
						'rendered' => array(
							'description' => __( 'HTML content for the profile field, transformed for display.', 'buddypress' ),
							'type'        => 'string',
							'context'     => array( 'view', 'edit' ),
							'readonly'    => true,
						),
					),
				),
				'is_required'       => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'Whether the profile field must have a value.', 'buddypress' ),
					'type'        => 'boolean',
				),
				'can_delete'        => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'Whether the profile field can be deleted or not.', 'buddypress' ),
					'default'     => true,
					'type'        => 'boolean',
				),
				'field_order'       => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The order of the profile field into the group of fields.', 'buddypress' ),
					'type'        => 'integer',
				),
				'option_order'      => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The order of the option into the profile field list of options', 'buddypress' ),
					'type'        => 'integer',
				),
				'order_by'          => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The way profile field\'s options are ordered.', 'buddypress' ),
					'default'     => 'asc',
					'type'        => 'string',
					'enum'        => array( 'asc', 'desc' ),
				),
				'is_default_option' => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'Whether the option is the default one for the profile field.', 'buddypress' ),
					'type'        => 'boolean',
				),
				'visibility_level'  => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'Who may see the saved value for this profile field.', 'buddypress' ),
					'default'     => 'public',
					'type'        => 'string',
					'enum'        => array_keys( bp_xprofile_get_visibility_levels() ),
				),
				'data'              => array(
					'context'     => array( 'view', 'edit' ),
					'description' => __( 'The saved value for this profile field.', 'buddypress' ),
					'type'        => 'object',
					'readonly'    => true,
					'properties'  => array(
						'raw'          => array(
							'description' => __( 'Value for the field, as it exists in the database.', 'buddypress' ),
							'type'        => 'string',
							'context'     => array( 'view', 'edit' ),
						),
						'unserialized' => array(
							'description' => __( 'Unserialized value for the field, regular string will be casted as array.', 'buddypress' ),
							'type'        => 'array',
							'context'     => array( 'view', 'edit' ),
							'readonly'    => true,
						),
						'rendered'     => array(
							'description' => __( 'HTML value for the field, transformed for display.', 'buddypress' ),
							'type'        => 'string',
							'context'     => array( 'view', 'edit' ),
							'readonly'    => true,
						),
					),
				),
			),
		);

		/**
		 * Filters the xprofile field schema.
		 *
		 * @param array $schema The endpoint schema.
		 */
		return apply_filters( 'bp_rest_xprofile_field_schema', $this->add_additional_fields_schema( $schema ) );
	}