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## Mark strings for extraction using a marker function
If, for some reason, you want to extract strings not passed directly to `TranslateService` 's `get()` or `instant()` methods, you can wrap them in a custom marker function to let `ngx-translate-extract` know you want to extract them.
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Install marker function:
`npm install @biesbjerg/ngx-translate-extract-marker`
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```ts
import { extract } from '@biesbjerg/ngx-translate-extract-marker';
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extract('Extract me');
```
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Add the `marker` argument when running the extract script:
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`ngx-translate-extract ... -m extract`
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You can alias the marker function if needed:
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```ts
import { extract as _ } from '@biesbjerg/ngx-translate-extract-marker';
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_('Extract me');
```
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`ngx-translate-extract ... -m _`