## to_boolean
```mermaid
%%{init: {
'theme': 'base',
'themeVariables': {
'fontSize': '11px',
'nodePadding': '1',
'nodeBorder': '1',
'lineWidth': '0.8',
'fontFamily': 'Arial'
}
}}%%
flowchart LR
Start(( )) --> to_boolean
to_boolean -->| | TO_BOOLEAN
TO_BOOLEAN --> End(( ))
```