> ## Documentation Index > Fetch the complete documentation index at: https://reportana.dev/llms.txt > Use this file to discover all available pages before exploring further. # join ### Introduction The `join` filter is used to combine the elements of a list or array into a single string, using a specified delimiter between each element. This is useful for creating formatted lists or concatenating values from a collection into a specific format. ### Example of Use Example of how to use the `join` filter to concatenate elements of a list with a comma and a space as a delimiter: ```twig theme={null} {{ ['apple', 'banana', 'cherry']|join(', ') }} ``` ### Output Example of the Code Result of `join` Filter