# API Module

| Name                      | Description                 |
| ------------------------- | --------------------------- |
| `api.set(name, value)`    | Set configuration property. |
| `api.get(name)`           | Get configuration property. |
| `api.on(event, handler)`  | Add event listener.         |
| `api.off(event, handler)` | Remove event listener.      |

## Configuration <a href="#configuration" id="configuration"></a>

Set up a new `api` instance with `config` parameters and `set`/`get` methods:

```javascript
const appmixer = new Appmixer(config)

appmixer.api.set(key, value)
appmixer.api.get(key)
```

#### **`config.baseUrl`**

Type: `String` | Default: `null`

Base URL of your Appmixer engine REST API.

#### **`config.accessToken`**

Type: `String` | Default: `null`

Access token of an authorized user.

## Methods

#### `api.authenticateUser`

```javascript
await appmixer.api.authenticateUser(username, password)
```

Authenticate a user to Appmixer. Note that this can be a "virtual" user that exists for the sole purpose of associating a real user of your own product to a user in Appmixer. Each user in Appmixer can have a set of flows, can run and stop flows, and can see data going through their flows. The returned promise is either resolved with an object that contains a token (which you need to set with `appmixer.set('accessToken', token)` to be able to make calls to the API backend. Or the promise is rejected with an error object. If the error object returns a 403 status code (i.e. `err.response.status === 403`), the user does not exist in Appmixer.

#### `api.signupUser`

```javascript
await appmixer.api.signupUser(username, password)
```

Create a new user in Appmixer. The returned promise is either resolved with an authentication object (containing the `token` property) or rejected if the sign-up fails.

#### `api.createFlow`

```javascript
await appmixer.api.createFlow(name, [descriptor], [properties])
```

`appmixer.api.createFlow(name, [descriptor], [properties])`Create a new flow in Appmixer. The returned promise resolves to the ID of the newly created flow. The `properties` object can contain your own custom metadata inside the `customFields` property. This is especially useful for filtering flows based on your own custom metadata.

#### `api.deleteFlow`

```javascript
await appmixer.api.deleteFlow(flowId)
```

Delete an existing flow identified by `flowId`.&#x20;

#### `api.getFlow`

```javascript
await appmixer.api.getFlow(flowId)
```

Get flow. The returned promise resolves to an object with the following information: `{ id, flow, name, stage, btime, mtime, thumbnail }`, where `flow` is the Flow Descriptor, `stage` is either `'running'` or `'stopped'`, `btime` is the time the flow was created ("birth" time), `mtime` is the time the flow was modified and thumbnail contains a thumbnail image (self-contained, in the [Data URI](https://en.wikipedia.org/wiki/Data_URI_scheme) format).&#x20;

#### `api.getFlows`

```javascript
await appmixer.api.getFlows(query)
```

Get all flows of the user or filter them by `query`. `query` is an object with the following properties: `limit`, `offset`, `pattern` (a string to filter flows containing pattern in their names), `sort`, `projection` (allows you to exclude properties from the returned flow objects), `sharedWithPermissions` and `filter`.Example:

```json
{
  limit: 20,
  offset: 0,
  pattern: "slack",
  projection: "-flow,-thumbnail",
  sort: "mtime:-1",
  sharedWithPermission: "read",
  filter: "userId:423jfdsalfjl4234fdsa"
}
```

#### `api.getFlowsCount`

```javascript
await appmixer.api.getFlowsCount(query)
```

Get the number of all flows of the user or filter them by `query`. `query` is an object with `pattern` property that can include a string to filter flows containing a pattern in their names. Example: `{ "pattern": "dropbox" }`.

#### `api.updateFlow`

```javascript
await appmixer.api.updateFlow(flowId, update)
```

Update an existing flow. `update` can contain the following information: `{ flow, name, customFields }`, where `flow` is the Flow Descriptor of the flow and `customFields` is an object with your own custom metadata for this flow.

#### `api.startFlow`

```javascript
await appmixer.api.startFlow(flowId)
```

Start a flow.

#### `api.stopFlow`

```javascript
await appmixer.api.stopFlow(flowId)
```

Stop a flow.

#### `api.cloneFlow`

```javascript
await appmixer.api.cloneFlow(flowId)
```

Create a copy of an existing flow. The returned promise resolves to the ID of the newly created flow.

#### `api.getUser`

```javascript
await appmixer.api.getUser()
```

Get current user. The returned promise resolves to an object with `username`.

#### `api.getStores`

```javascript
await appmixer.api.getStores()
```

Get all the data stores. The returned promise resolves to an array of stores each an object with `name` and `storeId` properties.

#### `api.getStore`

```javascript
await appmixer.api.getStore(storeId)
```

Get one store. The returned promise resolves to an object with `name` and `storeId` properties.

#### `api.getStoreRecordsCount`

```javascript
await appmixer.api.getStoreRecordsCount(query)
```

Get the number of records in a store. `query` is an object with `storeId` and `pattern` properties where `pattern` is a string to filter records that contain the string in their keys or values.

#### `api.getStoreRecords`

```javascript
await appmixer.api.getStoreRecords(query)
```

Get store records. `query` is an object with `storeId`, `pattern` (string to search for in keys/values), `limit` , `offset` and `sort` properties. Example:

```json
{
  limit: 30,
  offset: 0,
  pattern: "foo",
  sort: "updatedAt:-1",
  storeId: “5c6d643f4849f447eba55c1d"
}
```

#### `api.createStore`

```javascript
await appmixer.api.createStore(name)
```

Create a new store. The returned promise resolves to the ID of the newly created store.

#### `api.deleteStore`

```javascript
await appmixer.api.deleteStore(storeId)
```

Delete a store.

#### `api.renameStore`

```javascript
await appmixer.api.renameStore(storeId, newName)
```

Rename an existing store.

#### `api.createStoreItem`

```javascript
await appmixer.api.createStoreItem(storeId, key, value)
```

Create a new record in a store.

#### `api.deleteStoreItems`

```javascript
await appmixer.api.deleteStoreItems(items)
```

Delete store items. `items` is an array of objects each having a `key` and `storeId` properties identifying the item and store from which the item should be removed.

#### `api.createAccount`

```javascript
await appmixer.api.createAccount(params, data)
```

Create a custom account.

#### `api.getAccounts`

```javascript
await appmixer.api.getAccounts(filter)
```

Get a list of connected accounts of the user. `filter` is a custom query string (see the [GET /accounts](https://docs.appmixer.com/6.0/v4.5/api/accounts#get-all-accounts) for an example). The returned promise resolves to an array of objects of the form `{ accountId, name, displayName, service, icon, profileInfo }`.

#### `api.getComponentAccounts`

```javascript
await appmixer.api.getComponentAccounts(componentType, componentId)
```

Get a list of accounts connected to a specific component.

#### `api.getAccountFlows`

```javascript
await appmixer.api.getAccountFlows(accountId)
```

Get a list of flows this account is used in. The returned promise resolves to an array of objects with `flowId` and `name` properties.

#### `api.setAccountName`

```javascript
await appmixer.api.setAccountName(accountId, newName)
```

Rename a connected account. Note that this name is displayed in the Accounts widget and also in the Inspector UI of the Designer.

#### `api.getLogs`

```javascript
await appmixer.api.getLogs(query)
```

Get logs. The `query` is an object of the form `{ from, size, sort, query }`:

```json
{
  from: 0,
  size: 30,
  sort: "@timestamp:desc",
  query: "@timestamp:[2018-01-01 TO 2018-01-01]"
}
```

Get logs of a specific flow:

```json
{
  from: 0,
  size: 30,
  sort: "@timestamp:desc",
  query: "@timestamp:[2018-01-01 TO 2018-01-01] AND +flowId:FLOW_ID"
}
```

#### `api.getLog`

```javascript
await appmixer.api.getLog(logId, index)
```

Get one log. `logId` and `index` are values returned from `getLogs()`.

#### `api.getPeopleTasks`

```javascript
await appmixer.api.getPeopleTasks(query)
```

Get all tasks of the user. `query.role` can be either "approver" or "requester" and allows you to filter tasks based on the role. `query.pattern` filters returned tasks by a term that must be contained in the task title. Setting`query.secret` to either the `approverSecret` or `requesterSecret` allows you to get a list of tasks of a different user for which you have the secret (other than the one identified by the access token, i.e. the currently signed-in user).

#### `api.getPeopleTasksCount`

```javascript
await appmixer.api.getPeopleTasksCount(query)
```

Returns the number of tasks based on the query. See `getPeopleTasks(query)` for more info.

#### `api.getPeopleTask`

```javascript
await appmixer.api.getPeopleTask(id)
```

Return one task identified by `id`.

#### `api.approveTask`

```javascript
await appmixer.api.approveTask(id, [params])
```

Approve a task identified by `id`. `params` is an optional object that can contain the `secret` property (approver secret). Having the secret allows you to approve a task of any user for which you have the secret, not just the currently signed-in user.

#### `api.rejectTask`

```javascript
await appmixer.api.rejectTask(id, [params])
```

Reject a task identified by `id`. `params` is an optional object that can contain the `secret` property (approver secret). Having the secret allows you to reject a task of any user for which you have the secret, not just the currently signed-in user.

#### `api.getCharts`

```javascript
await appmixer.api.getCharts()
```

Returns all the Insights charts of the user.

#### `api.getChart`

```javascript
await appmixer.api.getChart(chartId)
```

Return one Insights chart identified by `chartId`.

#### `api.deleteChart`

```javascript
await appmixer.api.deleteChart(chartId)
```

Delete an Insights chart identified by `chartId`.

#### `api.getFlowAuthentication`

```javascript
await appmixer.api.getFlowAuthentication(flowId)
```

This request will return an object with all the components in the flow that have `auth` section with all the available accounts.

## Events <a href="#events" id="events"></a>

```javascript
appmixer.api.on(event, handler)
```

#### **`error`**

```javascript
appmixer.api.on('error', error => {
  if (error.code === 401) {
    /* A request failed because the current access token is invalid ... */
  }
}
```

The event is triggered when a request fails with an error or when the access token is invalid.


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