InvocationMessage interface 
A hub message representing a non-streaming invocation.
- Extends
 
Properties
| arguments | The target method arguments.  | 
| headers | A MessageHeaders dictionary containing headers attached to the message.  | 
| invocation | 
	The ID of the invocation relating to this message. This is expected to be present for StreamInvocationMessage and CompletionMessage. It may be 'undefined' for an InvocationMessage if the sender does not expect a response.  | 
| stream | 
	The target methods stream IDs.  | 
| target | The target method name.  | 
| type | 
Property Details
arguments
The target method arguments.
arguments: any[]
				Property Value
any[]
headers
A MessageHeaders dictionary containing headers attached to the message.
headers?: MessageHeaders
				Property Value
		invocationId
	 
	The ID of the invocation relating to this message. This is expected to be present for StreamInvocationMessage and CompletionMessage. It may be 'undefined' for an InvocationMessage if the sender does not expect a response.
invocationId?: string
				Property Value
string
		streamIds
	 
	The target methods stream IDs.
streamIds?: string[]
				Property Value
string[]
target
The target method name.
target: string
				Property Value
string