如何在Postman中测试StartChatContact API？ | “无法确定要授权的服务/操作名称”
我正在尝试从第三方应用程序启动 AWS connect 聊天。我在 Postman 中实现了 StartChatContact，它提供了一个参与者令牌，该令牌将在 CreateParticipantConnection 中进一步使用。
StartChatContact
Body
{
"ContactFlowId": "cd1a0465-0a02229-4a1a-9894-fb14945548264",
"InstanceId": "84ece66549-184a-400f-babf-59888d7c8fd04",
"ParticipantDetails": {
"DisplayName": "Customer"
}
}
这工作正常并返回参与者令牌。
CreateParticipantConnection
Body
{
"ConnectParticipant": true,
"Type": [ "WebSocket" ]
}
当我将令牌放入 CreateParticipantConnection 中时，它会引发如下错误： 
错误
{
"message": "Unable to determine service/operation name to be authorized"
}
请为我提供宝贵的指导。我正在关注 StartChatContact 和 CreateParticipantConnection 文档。
I am trying to start AWS connect chat from a third-party application. I have implemented StartChatContact in Postman, which gives a participant token that is further used in CreateParticipantConnection.
StartChatContact
Body
{
"ContactFlowId": "cd1a0465-0a02229-4a1a-9894-fb14945548264",
"InstanceId": "84ece66549-184a-400f-babf-59888d7c8fd04",
"ParticipantDetails": {
"DisplayName": "Customer"
}
}
This is working fine and returns the participant token.
CreateParticipantConnection
Body
{
"ConnectParticipant": true,
"Type": [ "WebSocket" ]
}
When I placed the token in CreateParticipantConnection, it throws an error that is mentioned below:
Error
{
"message": "Unable to determine service/operation name to be authorized"
}
Kindly provide me your valuable guidance. I am following StartChatContact and CreateParticipantConnection documentations.
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我还没有测试过，但我相信类型需要是“WEBSOCKET”而不是“WebSocket”，即它区分大小写。
I haven't tested but I believe the type needs to be "WEBSOCKET" not "WebSocket" i.e. it is case sensitive.