Why can't I see variables on a Send Request in Flow?

[darkstar131 (Jonathan McMichael)]

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My question: Why can’t I see variables to connect other nodes to this Send Request? Why does mine look different from the Stock Market Example? I’m not on a paid version.

Details (like screenshots):

How I found the problem:

I’ve already tried:
I’ve added variables at all levels, with and without Environments.

[jetison]

The variables section of the Send Request block only displays variables used in the request that is selected.

In the Stock Market Example, ticker name and Analysis-url are variables used within the “Get Price and Analysis for stock” request.

[darkstar131 (Jonathan McMichael)]

Thank you, so where would I put variables in the block to have them show up? I have tried multiple ways and I’m sure it’s simple I just can’t find any info about it.