# Flow action started
<a name="testing-language-events-flow-action-started"></a>

Observes when a specific flow action begins execution. This allows you to detect when particular flow actions are executed during the simulation.

## Invoke Lambda function
<a name="testing-language-events-flow-action-started-invoke-lambda"></a>

Observes when a Lambda function invocation action starts.

### Parameters
<a name="testing-language-events-flow-action-started-invoke-lambda-parameters"></a>
+ Identifier - Unique identifier for the event (In preview, API need to specify this identifier in order for the UI to render properly)
+ Type - Must always be `FlowActionStarted`.
+ Actor - Must always be `System`. This indicates that the event originates from the testing system.
+ Properties:
  + ActionType - Must always be `InvokeLambdaFunction`.
  + ActionParameters:
    + LambdaFunctionARN: The ARN of the Lambda function being invoked

```
{
    "Identifier": "unique identifier",  
    "Type": "FlowActionStarted",  
    "Actor": "System", 
    "Properties": { 
        "ActionType" : "InvokeLambdaFunction " // V2 JSON action type
        "ActionParameters" : { // V2 JSON action parameters
            "LambdaFunctionARN": "string"
        }
}
```

## Check hours of operation
<a name="testing-language-events-flow-action-started-check-hours-of-operation"></a>

Observes when the flow checks hours of operation.

### Parameters
<a name="testing-language-events-flow-action-started-check-hours-of-operation-parameters"></a>
+ Identifier - Unique identifier for the event (API need to specify this identifier in order for the UI to render properly)
+ Type - Must always be `FlowActionStarted`.
+ Actor - Must always be `System`. This indicates that the event originates from the testing system.
+ Properties:
  + ActionType - Must always be `CheckHoursOfOperation`.
  + ActionParameters:
    + HoursOfOperationId: The ID or ARN of the hours of operation resource being checked

```
{
    "Identifier": "unique identifier",  
    "Type": "FlowActionStarted",  
    "Actor": "System", 
    "Properties": { 
        "ActionType" : "CheckHoursOfOperation" // V2 JSON action type
        "ActionParameters" : { // V2 JSON action parameters
            "HoursOfOperationId": "string"
        }
}
```

## Transfer contact to queue
<a name="testing-language-events-flow-action-started-transfer-to-contact-queue"></a>

Observes when a contact is being transferred to a queue.

### Parameters
<a name="testing-language-events-flow-action-started-transfer-to-contact-queue-parameters"></a>
+ Identifier - Unique identifier for the event (API need to specify this identifier in order for the UI to render properly)
+ Type - Must always be `FlowActionStarted`.
+ Actor - Must always be `System`. This indicates that the event originates from the testing system.
+ Properties:
  + ActionType - Must always be `TransferContactToQueue`.
  + ActionParameters:
    + QueueId: The ID or ARN of the target queue
    + AgentId (Optional): Specific agent ID if transferring to a particular agent

```
{
    "Identifier": "unique identifier",  
    "Type": "FlowActionStarted",  
    "Actor": "System", 
    "Properties": { 
        "ActionType" : "TransferContactToQueue" // V2 JSON action type
        "ActionParameters" : { // V2 JSON action parameters
            "QueueId": "string",
            "AgentId" : "string"
        }
}
```

## Connect participant with Lex bot
<a name="testing-language-events-flow-action-started-connect-participant-with-lex-bot"></a>

Observes when a participant is being connected to a Lex bot.

### Parameters
<a name="testing-language-events-flow-action-started-connect-participant-with-lex-bot-parameters"></a>
+ Identifier - Unique identifier for the event (API need to specify this identifier in order for the UI to render properly)
+ Type - Must always be `FlowActionStarted`.
+ Actor - Must always be `System`. This indicates that the event originates from the testing system.
+ Properties:
  + ActionType - Must always be `ConnectParticipantWithLexBot`.
  + ActionParameters:
    + LexV2Bot: Object containing bot details
      + AliasArn: The ARN of the Lex V2 bot alias

```
{
    "Identifier": "unique identifier",
    "Type": "FlowActionStarted",  
    "Actor": "System",
    "Properties": {
        "ActionType": "ConnectParticipantWithLexBot"
        "ActionParameters": {
            "LexV2Bot": {
                "AliasArn": "string"
            }
        }
    }
}
```