I am working on integrating a GraphQL query to do a mutation update through a variable. (img 1)
I have the mutation working when I hard-code the data into the API call (img 2)
I have gone through most of the tutorial videos, but I can't recall anything discussing this. The error reads : "variable '_userId' is declared as 'uuid', but used where 'uuid!' is expected".
The second half of that error message makes me think it might be out of my control and on the backend somewhere, but it is hard to tell.
Is there a resrouce for Variables in GraphQL I can review in the documentation or a video? Happy to be told I missed something and to study up.
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