Development > Client > Redis/JSON > Execute Remote Command

Execute Remote Commands are used to invoke routines. The Client addresses the requests to the Controller and the responses come from the serving producers.

Request
Outgoing
Target channel	"DTS:MIDDLEWARE:CHANNEL"
Payload Class Key	"DTS_EXECUTE_REMOTE_COMMAND"

{

"projectName" : "",

"connectorEntry" : {

"name" : ""

"remoteKey" : "",

"parameters" : {

"payloadMetadata" : {

"payloadClassKey" : "",

"arrayPayload" : false

"payloadJSON" : ""

}

Attribute			Value	Note
projectName			The name of the project containing the resource
connectorEntry -> name			The name of the connector serving the resource
remoteKey			The name of the remote call resource
parameters			A payload container to wrap the remote call's input parameters
	payloadMetadata		The metadata for the payload
		payloadClassKey	The type key of the remote's arguments wrapper class	The TypeDescriptor for this type key can be found in the RemoteCallDescriptor corresponding to the remote call.
		arrayPayload	Always false as the arguments are wrapped in a single object
	payloadJSON		The JSON representing the arguments wrapper object in the format referenced by payloadClassKey	The payload json is actually wrapped in a string. This means that all " (double quote) characters need to be escaped.

Response
Incoming
Target channel	Request replyToChannel
Payload Class Key	The type key of the remote call's results wrapper (described in the RemoteCallDescriptor) or "DTS_STREAM_RECORD_CONTAINER"

If it is a regular routine, the response will directly contain the outputs of the routine, wrapped in an object with each output as a named attribute.

If the routine returns a stream, the response will be the same a Record Stream Command Response, containing the details of the resulting stream.