Array join

Returns a new string by concatenating all of the elements in an array, separated by commas or a specified separator string. Array join lives in the Array category of the fx menu.

Parameters

Parameter	Type	Required	Default	Description
Input	string	yes	—	Value to transform. Previous step output or a literal.
Separator	string	no	,	A separator to use in the join operation

Input is the primary value (previous step output or a literal).

Returned value

Type	Description
string	Result of the Array join transformation.

Limitations

• Array arguments must be valid JSON arrays. Invalid JSON or non-array values raise an error.

Example

Run Array join

Returns a new string by concatenating all of the elements in an array, separated by commas or a specified separator string Adjust optional parameters when the defaults do not match your payload.

1. Set Input to the value to transform (previous step output or a literal).

2. Review Separator and keep defaults unless your format requires otherwise.

3. Confirm Output value shows the transformed result.