diff --git a/R/assertions.R b/R/assertions.R
index 2aa8a09..2f87b4f 100644
--- a/R/assertions.R
+++ b/R/assertions.R
@@ -100,8 +100,23 @@ assert_timeZone_string <- function(time_zone) {
 
 # Check if include_questions are string(s)
 assert_includedQuestionIds_string <- function(include_questions) {
-  assertthat::assert_that(mode(include_questions) == "character",
-                          msg = "'include_questions' must be a character vector."
+  assertthat::assert_that(mode(include_questions) == "character" |
+                            (length(include_questions) == 1 && is.na(include_questions[1])),
+                          msg = "if present, 'include_questions' must be a character vector or NA."
+  )
+}
+# Check if include_embedded are string(s)
+assert_includedembeddedDataIds_string <- function(include_embedded) {
+  assertthat::assert_that(mode(include_embedded) == "character" |
+                            (length(include_embedded) == 1 && is.na(include_embedded[1])),
+                          msg = "if present, 'include_embedded' must be a character vector or NA."
+  )
+}
+# Check if include_metadata are string(s)
+assert_includedsurveyMetadataIds_string <- function(include_metadata) {
+  assertthat::assert_that(mode(include_metadata) == "character" |
+                            (length(include_metadata) == 1 && is.na(include_metadata[1])),
+                          msg = "if present, 'include_metadata' must be a character vector or NA."
   )
 }
 
diff --git a/R/fetch_survey.R b/R/fetch_survey.R
index 8629e75..edcc8be 100644
--- a/R/fetch_survey.R
+++ b/R/fetch_survey.R
@@ -107,6 +107,8 @@ fetch_survey <- function(surveyID,
                          include_display_order = TRUE,
                          limit = NULL,
                          include_questions = NULL,
+                         include_embedded = NULL,
+                         include_metadata = NULL,
                          save_dir = NULL,
                          force_request = FALSE,
                          verbose = TRUE,
@@ -136,6 +138,8 @@ fetch_survey <- function(surveyID,
     start_date = start_date,
     end_date = end_date,
     include_questions = include_questions,
+    include_embedded = include_embedded,
+    include_metadata = include_metadata,
     save_dir = save_dir,
     unanswer_recode = unanswer_recode,
     unanswer_recode_multi = unanswer_recode_multi,
@@ -177,6 +181,8 @@ fetch_survey <- function(surveyID,
     limit = limit,
     time_zone = time_zone,
     include_questions = include_questions,
+    include_embedded = include_embedded,
+    include_metadata = include_metadata,
     breakout_sets = breakout_sets
   )
 
diff --git a/R/utils.R b/R/utils.R
index 33425b6..cc4e358 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -180,12 +180,24 @@ check_params <- function(...) {
       assert_limit_abovezero(args$limit)
     }
   }
-  # Check if includedQuestionIds is a string
+  # Check if include_questions is a string
   if ("include_questions" %in% names(args)) {
     if (!is.null(args$include_questions)) {
       assert_includedQuestionIds_string(args$include_questions)
     }
   }
+  # Check if include_embedded is a string
+  if ("include_questions" %in% names(args)) {
+    if (!is.null(args$include_embedded)) {
+      assert_includedembeddedDataIds_string(args$include_embedded)
+    }
+  }
+  # Check if include_metadata is a string
+  if ("include_questions" %in% names(args)) {
+    if (!is.null(args$include_metadata)) {
+      assert_includedsurveyMetadataIds_string(args$include_metadata)
+    }
+  }
 }
 
 #' Generate URL for specific API query by type and (if appropriate) ID
@@ -272,6 +284,8 @@ create_raw_payload <- function(label = TRUE,
                                unanswer_recode_multi = NULL,
                                include_display_order = TRUE,
                                include_questions = NULL,
+                               include_embedded = NULL,
+                               include_metadata = NULL,
                                breakout_sets = NULL) {
 
   params <- as.list(environment())
@@ -286,19 +300,34 @@ create_raw_payload <- function(label = TRUE,
       unanswer_recode_multi = "multiselectSeenUnansweredRecode",
       include_display_order = "includeDisplayOrder",
       include_questions = "questionIds",
+      include_embedded = "embeddedDataIds",
+      include_metadata = "surveyMetadataIds",
       breakout_sets = "breakoutSets")
 
 
-
+  # Fix a few parameters:
   if(!is.null(params$start_date)){
     params$start_date <- paste0(start_date, "T00:00:00Z")
   }
   if(!is.null(params$end_date)){
     params$end_date <- paste0(end_date, "T00:00:00Z")
   }
+  # If these are NA, the user wants none of this content,
+  # so exclude it via making it into an empty string vector:
+  if(length(params$include_questions) == 1 &&
+     is.na(params$include_questions[1])){
+    params$include_questions <- character()
+  }
+  if(length(params$include_embedded) == 1 &&
+     is.na(params$include_embedded[1])){
+    params$include_embedded <- character()
+  }
+  if(length(params$include_metadata) == 1 &&
+     is.na(params$include_metadata[1])){
+    params$include_metadata <- character()
+  }
 
   # Adjust names to fit API names:
-
   names(params) <- names_crosswalk[names(params)]
 
   # Add in format param:
@@ -310,8 +339,10 @@ create_raw_payload <- function(label = TRUE,
   }
   )
 
-  # But "questionIds" needs to be boxed
+  # But the variable inclusion items needs to be boxed:
   params_ub["questionIds"] <- params["questionIds"]
+  params_ub["embeddedDataIds"] <- params["embeddedDataIds"]
+  params_ub["surveyMetadataIds"] <- params["surveyMetadataIds"]
 
   # Drop any NULL elements:
   params_ub <- purrr::discard(params_ub, ~ is.null(.x))