---
editLink: false
lastUpdated: false
---

[@salesforce/b2c-tooling-sdk](../../../modules.md) / [operations/debug](../index.md) / DebugSessionCallbacks

# Interface: DebugSessionCallbacks

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:115](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L115)

## Properties

### onConnected()?

> `optional` **onConnected**: (`hostname`) => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:117](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L117)

Debugger client connected and polling started

#### Parameters

##### hostname

`string`

#### Returns

`void`

***

### onDebuggerDisabled()?

> `optional` **onDebuggerDisabled**: () => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:127](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L127)

The debugger was disabled externally (e.g. BM, another client)

#### Returns

`void`

***

### onDisconnected()?

> `optional` **onDisconnected**: () => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:119](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L119)

Debugger client disconnected and timers stopped

#### Returns

`void`

***

### onError()?

> `optional` **onError**: (`error`) => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:129](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L129)

Non-fatal error during polling or keepalive

#### Parameters

##### error

`Error`

#### Returns

`void`

***

### onThreadContinued()?

> `optional` **onThreadContinued**: (`threadId`) => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:123](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L123)

A previously halted thread resumed execution

#### Parameters

##### threadId

`number`

#### Returns

`void`

***

### onThreadExited()?

> `optional` **onThreadExited**: (`threadId`) => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:125](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L125)

A thread disappeared from the server (request completed)

#### Parameters

##### threadId

`number`

#### Returns

`void`

***

### onThreadStopped()?

> `optional` **onThreadStopped**: (`thread`) => `void`

Defined in: [packages/b2c-tooling-sdk/src/operations/debug/types.ts:121](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/operations/debug/types.ts#L121)

A thread hit a breakpoint or was otherwise halted

#### Parameters

##### thread

[`SdapiScriptThread`](SdapiScriptThread.md)

#### Returns

`void`