Worklflow_dispatch without inputs

How to make a workflow_dispatch without any inputs?

on: 
  workflow_dispatch: []

results in infinite “loading” of the workflow dispatch dialog. Without any parenthesis it is invalid syntax. I feel like I am missing something obvious.

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Hi @mv185095,

Pleases remove [] , just use below code, it works without any inputs.

on:
  workflow_dispatch: 

Thanks