# Populate custom dropdown
Say you have a default dropdown with predefined values:
We could define in the slide settings the following information:
This way, we can use the SDK to populate this information based on any condition. For example the colors defined in the slide metadata:
```
function Form() {
const { slideModel } = useContext(SlideContext);
let field = slideModel.getFieldById(105);
field.removeOptions();
slideModel.getMetaValue('colors').forEach(o => field.addOption(o.id, o.title));
return (
);
}
```
The result will be:
