![ctg output port](../figures/ctg-output-port.png)
Connecting Components by an Edge
Click the first output port of FlatFileReader.
![ctg output port](../figures/ctg-output-port.png)
Figure 469. Connecting Components by Edges
An edge appears connected to the output port of the component. Now click inside the Filter component near its input port.
![ctg 0520](../figures/ctg-0520.png)
Figure 470. Connecting Components by Edges
The edges are still red and dashed since no metadata are assigned to them.
If you missed the port, a dialog for adding a new component would appear.
I the next step we will assign metadata to the edge.