The designer is the panel where the model execution flowchart is shown.
In it, Nodes visualize the relationships between the various activities, the sequence of execution, among others.
Some activities may contain sub-activities. When inserted, they are displayed as a small rectangle that allows for expansion. These are:
To view their content, double-click on the activity:
And to go back to the level above this one, use the browser at the top of the panel:
When there are activities with execution problems, a red icon will appear at the top, in the upper right corner. Hover over it and more information will be given.
It is possible to zoom in the designer by holding the CTRL key and rotating the mouse wheel
To better organize the activities, click - a and use the cursor keys, this gives more precision to the movement.
You can use CTRL+C and CTRL+V to copy and paste, respectively.
You can undo an action using CTRL+Z and redo it using CTRL+Y.
To modify a connecting line, click on it and drag the dots or arrowhead, connecting or disconnecting activities.
You can rename activities directly in the Designer. Select and type a new name.
The first activity is of type Flowchart. Do not delete it! If by chance it "disappears", try to undo ( CTRL+Z). But if that doesn't work, click the button New in the upper left corner of the screen.