Custom expectations for ExpectColumnPairValuesToBeInSet

Hi,

I am trying to modify the above mentioned expectation for my use case, which needs to check if the values in column_A and column_B has the value pairs given in value_pairs_set, if yes pass, else fail.

The behaviour of ExpectColumnPairValuesToBeInSet, is such that, if there are any other pairs present in the table, it is considered as fail. So I want to modify it, I am not able to do it! Can someone please help me how can i approach this?

In a simple way, I would like to create a custom column pair map expectation in version 1.3.5, there is no proper docs available as well

we have docs on creating custom expectations here if this page doesnt help please let me know what step you are finding trouble with