example for binding an array as a variable

[sfc-gh-dszmolka]

third attempt to get this into the docs ;) co-authored by @sfc-gh-hachouraria

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 85.52%. Comparing base (393762a) to head (6d2948a).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #985 +/- ## ========================================== - Coverage 85.58% 85.52% -0.06% ========================================== Files 106 106 Lines 10759 10759 Branches 1029 1029 ========================================== - Hits 9208 9202 -6 - Misses 1303 1308 +5 - Partials 248 249 +1 ```

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