Enqueue Element

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Enqueue Element

Adds an element to the back of a queue.

If the queue becomes invalid because the queue reference is released, then this node stops waiting and returns an error.

Inputs/Outputs

A reference to a queue.

The element you want to add to the back of the queue.

The data type of this input changes to match the data type of the elements in the queue.

The number of milliseconds that the node waits for available space in the queue if the queue is full.

If space becomes available in the queue during the wait, the node inserts the element and does not time out.

Note This node waits if a maximum size has been set for the queue and the queue is full. Use Obtain Queue to set the maximum size of the queue.

Default value: -1 — The node never times out.

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Default value: No error

Reference to the queue.

A Boolean value that indicates whether there is space available in the queue before the node times out or an error occurs.

True	There was no space available in the queue before the node timed out, or this node generated an error.
False	There was space available in the queue before the node timed out, or an error occurred before this node executed.

The node produces this output according to standard error behavior.

This node can return the following error codes.

1122	The reference became invalid while the node was waiting for it.

Note This is not a comprehensive list of errors this node can return.

Transferring Data Between Loops Using Queue Nodes