schema revisions, add json aliases

data-prepper-plugins/aws-lambda/src/main/java/org/opensearch/dataprepper/plugins/lambda/processor/LambdaProcessorConfig.java

@@ -40,7 +40,7 @@ public class LambdaProcessorConfig extends LambdaCommonConfig {
 
   @JsonPropertyDescription("Defines a condition for event to use this processor.")
   @ExampleValues({
-          @Example(value = "/some_key == null", description = "The processor will only run on this condition.")
+          @Example(value = "/some_key == null", description = "The processor will only run when on events where this condition evaluates to true.")
   })
   @JsonProperty("lambda_when")
   private String whenCondition;

data-prepper-plugins/date-processor/src/main/java/org/opensearch/dataprepper/plugins/processor/date/DateProcessorConfig.java

@@ -201,7 +201,7 @@ public static boolean isValidPattern(final String pattern) {
     @JsonPropertyDescription("Specifies under what condition the <code>date</code> processor should run. " +
             "Default is no condition.")
     @ExampleValues({
-        @Example(value = "/some_key == null", description = "Only runs the date processor on the Event if some_key is null or doesn't exist.")
+        @Example(value = "/some_key == null", description = "The processor will only run when on events where this condition evaluates to true.")
     })
     private String dateWhen;
 

data-prepper-plugins/flatten-processor/src/main/java/org/opensearch/dataprepper/plugins/processor/flatten/FlattenProcessorConfig.java

@@ -50,7 +50,7 @@ public class FlattenProcessorConfig {
             "The default is <code>false</code> which leaves the source fields.")
     private boolean removeProcessedFields = false;
 
-    @JsonProperty("remove_list_items")
+    @JsonProperty("remove_list_elements")
     @JsonAlias(REMOVE_LIST_INDICES_KEY)
     @JsonPropertyDescription("When <code>true</code>, the processor converts the fields from the source map into lists and " +
             "puts the lists into the target field. Default is <code>false</code>.")

data-prepper-plugins/mutate-event-processors/src/main/java/org/opensearch/dataprepper/plugins/processor/mutateevent/AddEntryProcessorConfig.java

@@ -66,7 +66,7 @@ public class AddEntryProcessorConfig {
     public static class Entry {
         @JsonPropertyDescription("The key of the new entry to be added. Some examples of keys include <code>my_key</code>, " +
                 "<code>myKey</code>, and <code>object/sub_Key</code>. The key can also be a format expression, for example, <code>${/key1}</code> to " +
-                "use the value of field <code>key1</code> as the key. At least one of <code>key</code> or <code>metadata_key</code> is required.")
+                "use the value of field <code>key1</code> as the key. Exactly one of <code>key</code> or <code>metadata_key</code> is required.")
         @AlsoRequired(values = {
                 @AlsoRequired.Required(name=METADATA_KEY_KEY, allowedValues = {"null"})
         })
@@ -80,7 +80,7 @@ public static class Entry {
         @JsonProperty(METADATA_KEY_KEY)
         @JsonPropertyDescription("The key for the new metadata attribute. The argument must be a literal string key " +
                 "and not a JSON Pointer. Adds an attribute to the Events that will not be sent to the sinks, but can be used for condition expressions and routing with the getMetadata function. " +
-                "At least one of <code>key</code> or <code>metadata_key</code> is required.")
+                "Exactly one of <code>key</code> or <code>metadata_key</code> is required.")
         @AlsoRequired(values = {
                 @AlsoRequired.Required(name="key", allowedValues = {"null"})
         })

data-prepper-plugins/mutate-event-processors/src/main/java/org/opensearch/dataprepper/plugins/processor/mutateevent/CopyValueProcessorConfig.java

@@ -30,13 +30,13 @@ public static class Entry {
         @NotEmpty
         @NotNull
         @JsonProperty("from_key")
-        @JsonPropertyDescription("The key of the entry to be copied.")
+        @JsonPropertyDescription("The key of the entry to be copied. This must be configured.")
         private String fromKey;
 
         @NotEmpty
         @NotNull
         @JsonProperty("to_key")
-        @JsonPropertyDescription("The key of the new entry to be added.")
+        @JsonPropertyDescription("The key of the new entry to be added. This must be configured.")
         private String toKey;
 
         @JsonProperty("overwrite_if_to_key_exists")
@@ -87,15 +87,15 @@ public Entry() {
 
     @JsonProperty(FROM_LIST_KEY)
     @JsonPropertyDescription("The key of the list of objects to be copied. " +
-            "Both <code>from_key</code> and <code>to_key</code> will be applied on the corresponding list.")
+            "Both <code>from_key</code> and <code>to_key</code> must be configured and will be applied on the corresponding list.")
     @AlsoRequired(values = {
             @AlsoRequired.Required(name = TO_LIST_KEY)
     })
     private String fromList;
 
     @JsonProperty(TO_LIST_KEY)
     @JsonPropertyDescription("The key of the new list to be added. " +
-            "Both <code>from_key</code> and <code>to_key</code> will be applied on the corresponding list.")
+            "Both <code>from_key</code> and <code>to_key</code> must be configured and will be applied on the corresponding list.")
     @AlsoRequired(values = {
             @AlsoRequired.Required(name = FROM_LIST_KEY)
     })

data-prepper-plugins/obfuscate-processor/src/main/java/org/opensearch/dataprepper/plugins/processor/obfuscation/ObfuscationProcessorConfig.java

@@ -27,7 +27,7 @@
 public class ObfuscationProcessorConfig {
 
     @JsonProperty("source")
-    @JsonPropertyDescription("The source key to obfuscate. Default action is to mask ith <code>*</code>.")
+    @JsonPropertyDescription("The source key to obfuscate. Default action is to mask with <code>*</code>.")
     @NotEmpty
     @NotNull
     @ExampleValues({