diff --git a/DESCRIPTION b/DESCRIPTION
index ff4f745..0eef261 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: wbdataset
 Title: Making Datasets Truly Interoperable and Reusable in R with Wikibase
-Version: 0.1.1019
-Date: 2024-02-24
+Version: 0.1.1020
+Date: 2024-03-02
 Authors@R: 
     c(person(given="Daniel", family="Antal", 
            email= "daniel.antal@dataobservatory.eu", 
diff --git a/NAMESPACE b/NAMESPACE
index e7576f8..923f8de 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -2,6 +2,7 @@
 
 export("%>%")
 export(add_id_statement)
+export(add_item_statement)
 export(add_statement)
 export(add_wikibase_url_statement)
 export(copy_wikidata_item)
diff --git a/R/add_item_statement.R b/R/add_item_statement.R
new file mode 100644
index 0000000..3b5d03d
--- /dev/null
+++ b/R/add_item_statement.R
@@ -0,0 +1,73 @@
+#' @rdname add_statement
+#' @inheritParams add_statement
+#' @param wikibase_type Defaults to \code{'item'}.
+#' @param o The item to be added to the statement as an object in the semantic triple.
+#' @export
+
+add_item_statement <- function(qid, pid, o,
+                               wikibase_type = "item",
+                               wikibase_api_url=NULL,
+                               csrf) {
+
+  # api.php?action=wbcreateclaim&entity=Q4115189&property=P9003&snaktype=value&value={"entity-type":"item","numeric-id":1}
+
+  assertthat::assert_that(!is.null(wikibase_api_url),
+                          msg="No wikibase_api_url is given")
+
+  csrf_token <- get_csrf_token(csrf = csrf)
+
+  base_string <- '{"entity-type":"item","numeric-id":numid}'
+  new_numeric_id <- gsub("Q", "", o)
+  datavalue <- gsub('numid', new_numeric_id, base_string)
+  datavalue
+
+  claim_body <- list(
+    action = "wbcreateclaim",
+    entity   = qid,
+    property = pid,
+    snaktype = "value",
+    value =  datavalue,
+    # '"datavalue":{"value":"https://www.wikidata.org/wiki/Q43878","type":"string"}}',
+    token = csrf_token,
+    format = "json")
+
+  new_claim <- httr::POST(
+    wikibase_api_url,
+    body = list(
+      action = "wbcreateclaim",
+      entity = qid,
+      property = pid,
+      snaktype = "value",
+      value =  datavalue,
+      # '"datavalue":{"value":"https://www.wikidata.org/wiki/Q43878","type":"string"}}',
+      token = csrf_token,
+      format = "json"),
+    encode = "form",
+    handle = csrf
+  )
+
+  response <- httr::content(new_claim, as = "parsed", type = "application/json")
+
+  if ("error" %in% names(response)) {
+    #invalid snak error at type mismatch
+    warning_message <- glue::glue("Error in 'wbcreateclaim' wrapper add_item_statement():\n", response$error$code, ": ", response$error$info)
+    warning(warning_message)
+
+    return(data.frame(
+      id = NA_character_,
+      s = qid,
+      o = NA_character_,
+      p = NA_character_
+    ))
+  }
+
+  if (response$success == 1) {
+    data.frame(
+      id = response$claim$id,
+      s = qid,
+      o = pid,
+      p = response$claim$mainsnak$datavalue$value$id
+    )
+    }
+}
+
diff --git a/R/copy_wikidata_item.R b/R/copy_wikidata_item.R
index 8e1f229..9612a9c 100644
--- a/R/copy_wikidata_item.R
+++ b/R/copy_wikidata_item.R
@@ -45,6 +45,8 @@
 #'  \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 #'  \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 #'  \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+#'  \item{"classification_property"}{ Not applicable for properties.}
+#'  \item{"classification_id"}{ Not applicable for properties.}
 #'  \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 #'  \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 #'  \item{"time"}{ The time when the action started.}
@@ -57,6 +59,8 @@ copy_wikidata_item <- function(
     qid_on_wikidata = "Q4",
     qid_equivalence_property = "P35",
     language = c("en", "nl", "hu"),
+    classification_property = NA_character_,
+    classification_id = NA_character_,
     wikibase_api_url = "https://reprexbase.eu/jekyll/api.php",
     data_curator = NULL,
     log_path = tempdir(),
@@ -109,6 +113,8 @@ copy_wikidata_item <- function(
     return_log_file <- copy_wikidata_items(
       qid_on_wikidata = qid_on_wikidata,
       qid_equivalence_property = qid_equivalence_property,
+      classification_property = classification_property,
+      classification_id = classification_id,
       language = language,
       wikibase_api_url = wikibase_api_url,
       data_curator = data_curator,
@@ -190,6 +196,8 @@ copy_wikidata_item <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = qid_equivalence_property,
       equivalence_id = qid_on_wikidata,
+      classification_property = classification_property,
+      classification_id = classification_id,
       success = FALSE,
       comment = error_comments,
       time = action_timestamp,
@@ -343,6 +351,8 @@ copy_wikidata_item <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = qid_equivalence_property,
       equivalence_id = qid_on_wikidata,
+      classification_property = classification_property,
+      classification_id = classification_id,
       success = TRUE,
       comment = "",
       time = action_timestamp,
@@ -413,6 +423,8 @@ copy_wikidata_item <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = qid_equivalence_property,
       equivalence_id = qid_on_wikidata,
+      classification_property = classification_property,
+      classification_id = classification_id,
       success = FALSE,
       comment = "Wikibase validator label conflict: label-language pair already exists.",
       time = action_timestamp,
@@ -449,6 +461,8 @@ copy_wikidata_item <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = qid_equivalence_property,
       equivalence_id = qid_on_wikidata,
+      classification_property = classification_property,
+      classification_id = classification_id,
       success = FALSE,
       comment = error_comments,
       time = action_timestamp,
@@ -502,6 +516,16 @@ copy_wikidata_item <- function(
       label = "Equivalent entity on Wikidata",
       namespace = "https://www.wikidata.org/wiki/"
     ),
+    classification_property = defined(
+      return_dataframe$classification_property,
+      label = "A property relationship to a class or superclass",
+      namespace = wikibase_api_url
+    ),
+    classification_id = defined(
+      return_dataframe$classification_id,
+      label = "Superclass or class on the target instance.",
+      namespace = wikibase_api_url
+    ),
     success = return_dataframe$success,
     comment = return_dataframe$comment,
     time = return_dataframe$time,
@@ -527,6 +551,8 @@ copy_wikidata_item <- function(
 #' @keywords internal
 copy_wikidata_items <- function(qid_on_wikidata,
                                 qid_equivalence_property,
+                                classification_property,
+                                classification_id,
                                 language,
                                 wikibase_api_url,
                                 data_curator,
@@ -577,6 +603,8 @@ copy_wikidata_items <- function(qid_on_wikidata,
       copy_wikidata_item(
         qid_on_wikidata = x,
         qid_equivalence_property = qid_equivalence_property,
+        classification_property = classification_property,
+        classification_id = classification_property,
         language = language,
         wikibase_api_url = wikibase_api_url,
         data_curator = data_curator,
diff --git a/R/copy_wikidata_property.R b/R/copy_wikidata_property.R
index 4fb1664..23bbc81 100644
--- a/R/copy_wikidata_property.R
+++ b/R/copy_wikidata_property.R
@@ -19,6 +19,10 @@
 #'   non-authenticated sources, this should be changed.)
 #' @param pid_equivalence_property The PID in Wikibase that records the
 #'   equivalent Wikidata PID as an external ID.
+#' @param classification_property The instance of, or subclass of, or superclass
+#'   of property. Defaults to \code{NA_character} when not used.
+#' @param classification_id The QID of the class. Defaults to
+#'   \code{NA_character} when not used.
 #' @param language A vector of language codes, for example, \code{c("en",
 #'   "et")}.
 #' @param wikibase_api_url For example,
@@ -47,6 +51,8 @@
 #'  \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 #'  \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 #'  \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+#'  \item{"classification_property"}{ Not applicable for properties.}
+#'  \item{"classification_id"}{ Not applicable for properties.}
 #'  \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 #'  \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 #'  \item{"time"}{ The time when the action started.}
@@ -191,6 +197,8 @@ copy_wikidata_property <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = equivalence_property,
       equivalence_id = pid_on_wikidata,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = FALSE,
       comment = error_comments,
       time = action_timestamp,
@@ -344,6 +352,8 @@ copy_wikidata_property <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = pid_equivalence_property,
       equivalence_id = pid_on_wikidata,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = TRUE,
       comment = "",
       time = action_timestamp,
@@ -409,6 +419,8 @@ copy_wikidata_property <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = pid_equivalence_property,
       equivalence_id = pid_on_wikidata,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = FALSE,
       comment = "Wikibase validator label conflict: label-language pair already exists.",
       time = action_timestamp,
@@ -446,6 +458,8 @@ copy_wikidata_property <- function(
       wikibase_api_url = wikibase_api_url,
       equivalence_property = pid_equivalence_property,
       equivalence_id = pid_on_wikidata,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = FALSE,
       comment = error_comments,
       time = action_timestamp,
@@ -498,6 +512,16 @@ copy_wikidata_property <- function(
       return_dataframe$equivalence_id,
       label = "Equivalent PID on Wikidata",
       namespace = "https://www.wikidata.org/wiki/"
+    ),
+        classification_property = defined(
+      return_dataframe$classification_property,
+      label = "A property relationship to a class or superclass",
+      namespace = wikibase_api_url
+    ),
+    classification_id = defined(
+      return_dataframe$classification_id,
+      label = "Superclass or class on the target instance.",
+      namespace = wikibase_api_url
     ),
     success = return_dataframe$success,
     comment = return_dataframe$comment,
diff --git a/R/create_item.R b/R/create_item.R
index 05928a6..2746599 100644
--- a/R/create_item.R
+++ b/R/create_item.R
@@ -19,6 +19,10 @@
 #' another system's defintions. Defaults to
 #'   \code{NA_character_}; if left missing, no equivalence relations is will be
 #'   claimed.
+#' @param classification_property The instance of, or subclass of, or superclass
+#'   of property. Defaults to \code{NA_character} when not used.
+#' @param classification_id The QID of the class. Defaults to
+#'   \code{NA_character} when not used.
 #' @param wikibase_api_url For example,
 #'   \code{'https://reprexbase.eu/demowiki/api.php'}.
 #' @param data_curator The name of the data curator who runs the function and
@@ -44,6 +48,8 @@
 #'  \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created}
 #'  \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property}
 #'  \item{"equivalence_id"}{ The ID of an equivalent item defined elsewhere}
+#'  \item{"classification_property"}{ The PID that connects the item to a superclass, or class.}
+#'  \item{"classification_id"}{ The QID of a class, subclass or superclass.}
 #'  \item{"success"}{ TRUE if successfully created, FALSE if there was an error}
 #'  \item{"comment"}{ A summary of the error messages(s), if success is FALSE}
 #'  \item{"time"}{ The time when the action started}
@@ -74,6 +80,8 @@ create_item <- function(label,
                         language,
                         equivalence_property = NA_character_,
                         equivalence_id = NA_character_,
+                        classification_property = NA_character_,
+                        classification_id = NA_character_,
                         wikibase_api_url,
                         data_curator = NULL,
                         log_path = tempdir(),
@@ -200,6 +208,8 @@ create_item <- function(label,
       wikibase_api_url = wikibase_api_url,
       equivalence_property =  equivalence_property,
       equivalence_id = equivalence_id,
+      classificaiton_property = classification_property,
+      classification_id = classification_id,
       success = TRUE,
       comment = NA_character_,
       time = action_timestamp,
@@ -241,6 +251,8 @@ create_item <- function(label,
       wikibase_api_url = wikibase_api_url,
       equivalence_property =  equivalence_property,
       equivalence_id = equivalence_id,
+      classificaiton_property = classification_property,
+      classification_id = classification_id,
       success = FALSE,
       comment = "wikibase-validator-label-conflict, the label-language pair already exists.",
       time = action_timestamp,
@@ -271,6 +283,8 @@ create_item <- function(label,
       wikibase_api_url = wikibase_api_url,
       equivalence_property =  equivalence_property,
       equivalence_id = equivalence_id,
+      classificaiton_property = classification_property,
+      classification_id = classification_id,
       success = FALSE,
       comment = error_comments,
       time = action_timestamp,
@@ -321,6 +335,16 @@ create_item <- function(label,
       label = "Equivalent entity on Wikidata",
       namespace = "https://www.wikidata.org/wiki/"
     ),
+    classification_property = defined(
+      return_dataframe$classification_property,
+      label = "A property relationship to a class or superclass",
+      namespace = wikibase_api_url
+    ),
+    classification_id = defined(
+      return_dataframe$classification_id,
+      label = "Superclass or class on the target instance.",
+      namespace = wikibase_api_url
+    ),
     success = return_dataframe$success,
     comment = return_dataframe$comment,
     time = return_dataframe$time,
diff --git a/R/create_property.R b/R/create_property.R
index b2543f4..fbfd71f 100644
--- a/R/create_property.R
+++ b/R/create_property.R
@@ -46,6 +46,8 @@
 #'  \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 #'  \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 #'  \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+#'  \item{"classification_property"}{ Not applicable for properties.}
+#'  \item{"classification_id"}{ Not applicable for properties.}
 #'  \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 #'  \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 #'  \item{"time"}{ The time when the action started.}
@@ -204,6 +206,8 @@ create_property <- function(label,
       wikibase_api_url = wikibase_api_url,
       equivalence_property =  equivalence_property,
       equivalence_id = equivalence_id,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = TRUE,
       comment = NA_character_,
       time = action_timestamp,
@@ -242,6 +246,8 @@ create_property <- function(label,
       wikibase_api_url = wikibase_api_url,
       equivalence_property =  equivalence_property,
       equivalence_id = equivalence_id,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = FALSE,
       comment = "wikibase-validator-label-conflict, the label-language pair already exists.",
       time = action_timestamp,
@@ -272,6 +278,8 @@ create_property <- function(label,
       wikibase_api_url = wikibase_api_url,
       equivalence_property =  equivalence_property,
       equivalence_id = equivalence_id,
+      classification_property = NA_character_,
+      classification_id = NA_character_,
       success = FALSE,
       comment = error_comments,
       time = action_timestamp,
@@ -322,6 +330,16 @@ create_property <- function(label,
       label = "Equivalent entity on Wikidata",
       namespace = "https://www.wikidata.org/wiki/"
     ),
+    classification_property = defined(
+      return_dataframe$classification_property,
+      label = "A property relationship to a class or superclass",
+      namespace = wikibase_api_url
+    ),
+    classification_id = defined(
+      return_dataframe$classification_id,
+      label = "Superclass or class on the target instance.",
+      namespace = wikibase_api_url
+    ),
     success = return_dataframe$success,
     comment = return_dataframe$comment,
     time = return_dataframe$time,
diff --git a/R/initialise_logfile.R b/R/initialise_logfile.R
index d19e03c..ff81eb4 100644
--- a/R/initialise_logfile.R
+++ b/R/initialise_logfile.R
@@ -20,6 +20,8 @@
 #'  \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 #'  \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 #'  \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+#'  \item{"classification_property"}{ Not applicable for properties.}
+#'  \item{"classification_id"}{ Not applicable for properties.}
 #'  \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 #'  \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 #'  \item{"time"}{ The time when the action started.}
@@ -51,6 +53,8 @@ initialise_logfile <- function(logfile_description="A wbdataset logfile.",
     wikibase_api_url = NA_character_,
     equivalence_property =  NA_character_,
     equivalence_id = NA_character_,
+    classification_property = NA_character_,
+    classification_id = NA_character_,
     success = FALSE,
     comment = NA_character_,
     time = NA_character_,
diff --git a/_pkgdown.yml b/_pkgdown.yml
index 050325c..eb98286 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -45,6 +45,7 @@ reference:
     desc: >
      Write to a Wikibase instance
     contents:
+     - initialise_logfile
      - create_item
      - create_property
      - add_statement
diff --git a/man/add_statement.Rd b/man/add_statement.Rd
index 7d9b96c..f96e528 100644
--- a/man/add_statement.Rd
+++ b/man/add_statement.Rd
@@ -1,7 +1,9 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/add_id_statement.R, R/add_statement.R
+% Please edit documentation in R/add_id_statement.R, R/add_item_statement.R,
+%   R/add_statement.R
 \name{add_id_statement}
 \alias{add_id_statement}
+\alias{add_item_statement}
 \alias{add_statement}
 \alias{add_wikibase_url_statement}
 \title{Add statements}
@@ -15,6 +17,15 @@ add_id_statement(
   csrf
 )
 
+add_item_statement(
+  qid,
+  pid,
+  o,
+  wikibase_type = "item",
+  wikibase_api_url = NULL,
+  csrf
+)
+
 add_statement(
   qid,
   pid,
diff --git a/man/copy_wikidata_item.Rd b/man/copy_wikidata_item.Rd
index e183c60..bbca4af 100644
--- a/man/copy_wikidata_item.Rd
+++ b/man/copy_wikidata_item.Rd
@@ -11,6 +11,8 @@ copy_wikidata_item(
   qid_on_wikidata = "Q4",
   qid_equivalence_property = "P35",
   language = c("en", "nl", "hu"),
+  classification_property = NA_character_,
+  classification_id = NA_character_,
   wikibase_api_url = "https://reprexbase.eu/jekyll/api.php",
   data_curator = NULL,
   log_path = tempdir(),
@@ -21,11 +23,14 @@ copy_wikidata_item(
 copy_wikidata_items(
   qid_on_wikidata,
   qid_equivalence_property,
+  classification_property,
+  classification_id,
   language,
   wikibase_api_url,
   data_curator,
   log_path,
-  csrf
+  csrf,
+  wikibase_session
 )
 
 copy_wikidata_properties(
@@ -79,6 +84,8 @@ Returns a dataset_df object. The columns are:
 \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+\item{"classification_property"}{ Not applicable for properties.}
+\item{"classification_id"}{ Not applicable for properties.}
 \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 \item{"time"}{ The time when the action started.}
diff --git a/man/copy_wikidata_property.Rd b/man/copy_wikidata_property.Rd
index 9cf8a2e..6a2396d 100644
--- a/man/copy_wikidata_property.Rd
+++ b/man/copy_wikidata_property.Rd
@@ -42,6 +42,12 @@ creates the log file, created with \link[utils]{person}.}
 parameters \code{qid_equivalence_property}, \code{language},
 \code{wikibase_api_url}, \code{data_curator},\code{log_path} and
 \code{csrf} (for repeated use in a session.)}
+
+\item{classification_property}{The instance of, or subclass of, or superclass
+of property. Defaults to \code{NA_character} when not used.}
+
+\item{classification_id}{The QID of the class. Defaults to
+\code{NA_character} when not used.}
 }
 \value{
 Returns a dataset_df object. The columns are:
@@ -56,6 +62,8 @@ Returns a dataset_df object. The columns are:
 \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+\item{"classification_property"}{ Not applicable for properties.}
+\item{"classification_id"}{ Not applicable for properties.}
 \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 \item{"time"}{ The time when the action started.}
diff --git a/man/create_item.Rd b/man/create_item.Rd
index 6b4faf0..f4714e2 100644
--- a/man/create_item.Rd
+++ b/man/create_item.Rd
@@ -10,6 +10,8 @@ create_item(
   language,
   equivalence_property = NA_character_,
   equivalence_id = NA_character_,
+  classification_property = NA_character_,
+  classification_id = NA_character_,
   wikibase_api_url,
   data_curator = NULL,
   log_path = tempdir(),
@@ -34,6 +36,12 @@ another system's defintions. Defaults to
 \code{NA_character_}; if left missing, no equivalence relations is will be
 claimed.}
 
+\item{classification_property}{The instance of, or subclass of, or superclass
+of property. Defaults to \code{NA_character} when not used.}
+
+\item{classification_id}{The QID of the class. Defaults to
+\code{NA_character} when not used.}
+
 \item{wikibase_api_url}{For example,
 \code{'https://reprexbase.eu/demowiki/api.php'}.}
 
@@ -64,6 +72,8 @@ are:
 \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created}
 \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property}
 \item{"equivalence_id"}{ The ID of an equivalent item defined elsewhere}
+\item{"classification_property"}{ The PID that connects the item to a superclass, or class.}
+\item{"classification_id"}{ The QID of a class, subclass or superclass.}
 \item{"success"}{ TRUE if successfully created, FALSE if there was an error}
 \item{"comment"}{ A summary of the error messages(s), if success is FALSE}
 \item{"time"}{ The time when the action started}
diff --git a/man/create_property.Rd b/man/create_property.Rd
index b956b7e..1066dcd 100644
--- a/man/create_property.Rd
+++ b/man/create_property.Rd
@@ -68,6 +68,8 @@ are:
 \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+\item{"classification_property"}{ Not applicable for properties.}
+\item{"classification_id"}{ Not applicable for properties.}
 \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 \item{"time"}{ The time when the action started.}
diff --git a/man/initialise_logfile.Rd b/man/initialise_logfile.Rd
index 3b39909..2e46877 100644
--- a/man/initialise_logfile.Rd
+++ b/man/initialise_logfile.Rd
@@ -34,6 +34,8 @@ Returns a dataset_df object. The columns are:
 \item{"wikibase_api_url"}{ The MediaWiki API URL where the new property is created.}
 \item{"equivalence_property"}{ The PID that connects an equivalence ID to the property.}
 \item{"equivalence_id"}{ The ID of an equivalent property defined elsewhere.}
+\item{"classification_property"}{ Not applicable for properties.}
+\item{"classification_id"}{ Not applicable for properties.}
 \item{"success"}{ TRUE if successfully created, FALSE if there was an error.}
 \item{"comment"}{ A summary of the error messages(s), if success is FALSE.}
 \item{"time"}{ The time when the action started.}