diff --git a/wdl/metaMS.wdl b/wdl/metaMS.wdl
index 14b8e7e..2022b61 100644
--- a/wdl/metaMS.wdl
+++ b/wdl/metaMS.wdl
@@ -1,48 +1,46 @@
+version 1.0
+
 workflow gcmsMetabolomics {
-    
     call runMetaMS
-}
-task runMetaMS {
-    
-    Array[File] file_paths
-    
-    File calibration_file_path
-
-    String output_directory
 
-    String output_filename
-
-    String output_type
-
-    File corems_toml_path
+    output {
+        String out = runMetaMS.out
+        File output_file = runMetaMS.output_file
+        File output_metafile = runMetaMS.output_metafile
+    }
+}
 
-    File nmdc_metadata_path
+task runMetaMS {
+    input {
+        Array[File] file_paths
+        File calibration_file_path
+        String output_directory
+        String output_filename
+        String output_type
+        File corems_toml_path
+        File nmdc_metadata_path
+        Int jobs_count
+    }
 
-    Int jobs_count
-    
     command {
-        
-        metaMS run-gcms-wdl-workflow ${sep=',' file_paths} \
-                                     ${calibration_file_path} \
-                                     ${output_directory} \
-                                     ${output_filename} \
-                                     ${output_type} \
-                                     ${corems_toml_path} \
-                                     ${nmdc_metadata_path} \
-                                     --jobs ${jobs_count} 
+        metaMS run-gcms-wdl-workflow \
+            ${sep=',' file_paths} \
+            ${calibration_file_path} \
+            ${output_directory} \
+            ${output_filename} \
+            ${output_type} \
+            ${corems_toml_path} \
+            ${nmdc_metadata_path} \
+            --jobs ${jobs_count}
     }
-    
+
     output {
-        
         String out = read_string(stdout())
         File output_file = "${output_directory}/${output_filename}.${output_type}"
-        File output_metafile = "${output_directory}/${output_filename}.json" 
+        File output_metafile = "${output_directory}/${output_filename}.json"
     }
 
     runtime {
         docker: "microbiomedata/metams:2.2.2"
-    
     }
-
-}
-
+}
\ No newline at end of file