JSON validation using github workflow

I am trying to validation JSONs using Github workflow. But the problem here is that I have multiple JSON files that I need to validate. I tried looking up for a way to validate all of them everywhere but there is none that I could find.

My work flow code is here.

name: Validate JSONs

on: [pull_request]

jobs:
  verify-json-validation:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - name: Validate JSON
        uses: docker://orrosenblatt/validate-json-action:latest
        env:
          INPUT_SCHEMA: /.github/workflows/schema.json
          INPUT_JSONS: /*.json

I am unable to understand how I can add the INPUT_JSONS path dynamically so that it could validate all jsons.