Reads an element from a Messenger channel at a scheduled time. The endpoint waits if no element is available in the channel at the scheduled time.


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Inputs/Outputs

  • catrn.png scheduled time —

    scheduled time specifies the time when the endpoint should read data from the channel.

  • cqueuern.png channel —

    channel is the channel wire that connects this endpoint to a writer endpoint.

  • cu32.png ack id (0) —

    ack id specifies the ID number of a message to be acknowledged. This input allows the endpoint to acknowledge receiving the previous message. Use this input as an alternative to the Write Ack endpoint to enable acknowledgement in the channel. You can use Write Ack on every iteration after reading a message, or you can use this input so that the reader endpoint both acknowledges the previous message and reads the next message. The default is 0.

  • iatrn.png actual time —

    actual time returns the actual time when the endpoint read data from the channel.

  • icclst.png element —

    element returns the data to read from the channel.

  • iChannel_Messagelvclass.png MessageAckBase.lvclass —

  • ii32.png remaining —

    remaining returns the number of elements that remain in the channel after this read operation.