How do I access coordinate of point in label

Questions
1

How do I access coordinate of a point and put it in a label?

I can’t seem to use ${A.x} or similar things in the label.

2

It’s a bit faffy, but you can set up a separate variable and use that in the label - eg. A_x = A.x, then use ${A_x} in the label.

3

Thanks! .eiuwfgueiwgfjkewgbfkjqgfgwekugw