update NEWS

NEWS.md

@@ -17,6 +17,8 @@
 
 * New set of function `wb_get_properties()`/`wb_set_properties()` to view and modify workbook properties. [782](https://github.com/JanMarvin/openxlsx2/pull/782) This was subsequently improved to handle more workbook properties like `company` and `manager`. ([799](https://github.com/JanMarvin/openxlsx2/pull/799), @olivroy)
 
+* Basic (experimental) support to add slicers to pivot tables created by `openxlsx2`. [822](https://github.com/JanMarvin/openxlsx2/pull/822)
+
 ## Fixes
 
 * Removing the worksheet that is the active tab does no longer result in warnings in spreadsheet software. [792](https://github.com/JanMarvin/openxlsx2/pull/792)

R/class-workbook-wrappers.R

@@ -374,7 +374,7 @@ wb_add_pivot_table <- function(
 
 #' Add a slicer to a pivot table
 #'
-#' Add a slicer to a previously created pivot table.
+#' Add a slicer to a previously created pivot table. This function is still experimental and might be changed/improved in upcoming releases.
 #'
 #' @param wb A Workbook object containing a #' worksheet.
 #' @param x A `data.frame` that inherits the [`wb_data`][wb_data()] class.
@@ -386,6 +386,8 @@ wb_add_pivot_table <- function(
 #' @family workbook wrappers
 #' @family worksheet content functions
 #' @details This assumes that the slicer variable initialization has happened before. Unfortunately, it is unlikely that we can guarantee this for loaded workbooks, and we *strictly* discourage users from attempting this. If the variable has not been initialized properly, this may cause the spreadsheet software to crash.
+#'
+#' For the time being, the slicer needs to be placed on the slide with the pivot table.
 #' @examples
 #' wb <- wb_workbook() %>%
 #' wb_add_worksheet() %>% wb_add_data(x = mtcars)