[GitHub] [nifi] Lehel44 commented on a change in pull request #5888: NIFI-7230: Created toInstant() and formatInstant() EL functions

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Lehel44 commented on a change in pull request #5888:
URL: https://github.com/apache/nifi/pull/5888#discussion_r833828735



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File path: nifi-docs/src/main/asciidoc/expression-language-guide.adoc
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@@ -2264,6 +2296,33 @@ chaining together the two functions: `${date:toDate('MM-dd-yyyy'):format('yyyy/M
 
 
 
+[.function]
+=== toInstant
+
+*Description*: [.description]#Converts a String or Number into an Instant data type, based on the format specified by the argument. The argument
+must be a String that is a valid Java DateTimeFormatter syntax. The Subject is expected to be a String that is formatted
+according the argument or a number which represents the datetime in milliseconds. The datetime will be evaluated using the local time zone unless
+specified in the second optional argument.#
+
+*Subject Type*: [.subject]#String or Number#
+
+*Arguments*:
+
+- [.argName]#_format_# : [.argDesc]#The current format to use when parsing the Subject, in the Java DateTimeFormatter syntax.#
+- [.argName]#_time zone_# : [.argDesc]#Optional argument that specifies the time zone to use when parsing the Subject, in the Java TimeZone syntax.#
+
+
+*Return Type*: [.returnType]#Instant#
+
+*Examples*: If the attribute "time" has the value "2014/12/31 15:36:03.264Z" then the expression `${time:toDate("yyyy/MM/dd HH:mm:ss.SSS'Z'", "GMT")}` will result in a Date data type for

Review comment:
       That's right!




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