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arrays.join_string
arrays.join_string(array_of_strings, optional_delimiter)
Description
Converts an array of strings into a single string separated by the optional parameter. If no delimiter is provided, the empty string is used.
Param data types
ARRAY_STRINGS
, STRING
Return type
STRING
Code samples
Here are some examples of how to use the function:
Example 1
This example joins an array with non-null elements and a delimiter.
arrays.join_string(["foo", "bar"], ",") = "foo,bar"
Example 2
This example joins an array with a null element and a delimiter.
arrays.join_string(["foo", NULL, "bar"], ",") = "foo,bar"
Example 3
This example joins an array with non-null elements and no delimiter.
arrays.join_string(["foo", "bar"]) = "foobar"
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Last updated 2025-07-14 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-14 UTC."],[[["\u003cp\u003eThe \u003ccode\u003earrays.join_string\u003c/code\u003e function merges an array of strings into a single string.\u003c/p\u003e\n"],["\u003cp\u003eAn optional delimiter can be used to separate the string elements; otherwise, strings will be concatenated without a separator.\u003c/p\u003e\n"],["\u003cp\u003eNull elements within the array are ignored during the string concatenation process.\u003c/p\u003e\n"],["\u003cp\u003eThis function is compatible with Chronicle's default rules and search functionalities.\u003c/p\u003e\n"]]],[],null,["### arrays.join_string\n\nSupported in: \n[Rules](/chronicle/docs/detection/default-rules) [Search](/chronicle/docs/investigation/udm-search) \n\n arrays.join_string(array_of_strings, optional_delimiter)\n\n#### Description\n\nConverts an array of strings into a single string separated by the optional parameter. If no delimiter is provided, the empty string is used.\n\n#### Param data types\n\n`ARRAY_STRINGS`, `STRING`\n\n#### Return type\n\n`STRING`\n\n#### Code samples\n\nHere are some examples of how to use the function:\n\n##### Example 1\n\nThis example joins an array with non-null elements and a delimiter. \n\n arrays.join_string([\"foo\", \"bar\"], \",\") = \"foo,bar\"\n\n##### Example 2\n\nThis example joins an array with a null element and a delimiter. \n\n arrays.join_string([\"foo\", NULL, \"bar\"], \",\") = \"foo,bar\"\n\n##### Example 3\n\nThis example joins an array with non-null elements and no delimiter. \n\n arrays.join_string([\"foo\", \"bar\"]) = \"foobar\""]]