# concat

`{{ concat(str1, str2) }}` concatenates `str1` and `str2` together and returns the output as a string.

```yaml
# triggers.yml

triggers:
  upload_to_s3:
    type: function
    function: prism_project.upload_to_s3
    kwargs:
      s3_bucket: "{{ concat('s3://', prism_project.NAME) }}" 

```