You connect a model node to a data source node using a link.
You can create a link using a selection from the Component Palette, or you can create a link using a context menu selection, as described in the cue card
Click Link in the Linking Nodes section of the Component Palette.
Move the cursor to MINING_DATA_BUILD_V, the data source node, in the workflow. Click MINING_DATA_BUILD_V.

Then drag the line to ClassBuild, the build node. Click again.
The nodes are linked, and the Edit Classification Build Node dialog opens to specify a target for the classification models.

Select AFFINITY_CARD from the Target drop down list, and click OK
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