The fundamental element of a Qapp is called a node. Each node contains specific attributes and connects to each other in a logical way.

Example: Qapp execution flow, as known as Qapp Editor

Nodes in the Qapp Editor

The Qapp Editor has two types of tabs:

▪Execution Flow tab — define the execution sequence of the nodes within a Qapp, as well as the relations or conditions among the nodes.

oStart — the starting point of a Qapp. You can define the way of the Qapp to obtain devices at runtime within this node.

oQapp Description

oGlobal Table

oFilter Criteria

oInput Variables

oCanvas

oIf-condition

oStop — the endpoint to terminate a Qapp. You can define a message and the message will prompt when the Qapp executes this node.

▪Canvas tab — contain an internal workflow composed of multiple subnodes as follows.

oDevice Queue

oDevice

oCommand

oTable

oTable Operator

oOutput

Context Menu of Qapp Editor

The context menu of Qapp Editor is as follows:

 

See also:

▪Operating on nodes

▪Creating a Qapp