> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# isInitialized

> Check whether the skill has been initialized.

Returns whether this skill instance has been marked as initialized via
`markInitialized()`. Used internally to track skill lifecycle state.

Takes no parameters.

## **Returns**

`boolean` -- `true` if the skill has been initialized, `false` otherwise.

## **Example**

```typescript {4}
import { SkillBase } from '@signalwire/sdk';

// Check initialization state before performing an action
if (!mySkill.isInitialized()) {
  await mySkill.setup();
  mySkill.markInitialized();
}
```

> Check whether the skill has been initialized.