Stacks content block custom template block name

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I'm using content blocks inside a stack. I need to give each content block a block name through custom templates for that block. Some of the block names are long and they are being truncated. Any ideas on how to increase the number of charaters accepted in the custom template block name?

 
JohntheFish replied on at Permalink Reply
JohntheFish
As a workaround, you could try 1-off class names.