how to know which settype an ass

We know an assignment block in overview page is built based on settype or relationship. However, how can we know the exact settype ID for which the assignment block is built?
For example, I would like to know which settype the following assignment block is built on.
How to check?

(1) Make focus on the assignment block, click F2:

In popup window, write down view name and context node name:

(2) In UI workbench, find out which BOL node the context node is bound to.

Query against the table below by OBJECT_EXT = BOL name got in previous step.
Write down the settype guid: C0970BD1EFDFD311AB66009027B70B8E

Now you can know settype id by guid from table below:

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