Event Block Execution
You can specify a Click event block for a child field and a ChildClick event block for one or more of its enclosing composite fields. OpenROAD executes the event blocks from the innermost to the outermost fields as follows:
• It executes the Click event block for the field.
• It executes the ChildClick event block for the innermost enclosing composite field.
• It executes any ChildClick events for any outer enclosing composite fields.
• It executes the ChildClick event block for the frame.
However, if you place a resume statement in any of the event blocks, the sequence is broken and any remaining unexecuted child events are ignored.
More information: