string join

FEEL built-in function · String functions

string join(list, delimiter?)

Concatenates a list of strings into one string, optionally separated by a delimiter. Null elements in the list are skipped.

Parameters

ParameterTypeDescription
listlist of stringsthe strings to concatenate; null elements are ignored
delimiterstringseparator between elements (optional)

Examples

string join(["a", "b", "c"], ", ")
a, b, c Try it →
string join(["a", null, "c"])

Related functions

split · concatenate

Defined by the OMG DMN 1.6 specification, chapter 10.3.4 (built-in functions).