**To run a workflow** The following ``start-run`` example runs a workflow with ID ``1234567``. :: aws omics start-run \ --workflow-id 1234567 \ --role-arn arn:aws:iam::123456789012:role/omics-service-role-serviceRole-W8O1XMPL7QZ \ --name 'cram-to-bam' \ --output-uri s3://omics-artifacts-01d6xmpl4e72dd32/workflow-output/ \ --run-group-id 1234567 \ --priority 1 \ --storage-capacity 10 \ --log-level ALL \ --parameters file://workflow-inputs.json `workflow-inputs.json` is a JSON document with the following content. :: { "sample_name": "NA12878", "input_cram": "s3://omics-artifacts-01d6xmpl4e72dd32/NA12878.cram", "ref_dict": "s3://omics-artifacts-01d6xmpl4e72dd32/Homo_sapiens_assembly38.dict", "ref_fasta": "s3://omics-artifacts-01d6xmpl4e72dd32/Homo_sapiens_assembly38.fasta", "ref_fasta_index": "omics-artifacts-01d6xmpl4e72dd32/Homo_sapiens_assembly38.fasta.fai" } Output:: { "arn": "arn:aws:omics:us-west-2:123456789012:run/1234567", "id": "1234567", "status": "PENDING", "tags": {} } For more information, see `Omics Workflows <https://docs.aws.amazon.com/omics/latest/dev/workflows.html>`__ in the *Amazon Omics Developer Guide*. **To load source files from Amazon Omics** You can also load source files from Amazon Omics storage, by using service-specific URIs. The following example `workflow-inputs.json` file uses Amazon Omics URIs for read set and reference genome sources. :: { "sample_name": "NA12878", "input_cram": "omics://123456789012.storage.us-west-2.amazonaws.com/1234567890/readSet/1234567890/source1", "ref_dict": "s3://omics-artifacts-01d6xmpl4e72dd32/Homo_sapiens_assembly38.dict", "ref_fasta": "omics://123456789012.storage.us-west-2.amazonaws.com/1234567890/reference/1234567890", "ref_fasta_index": "omics://123456789012.storage.us-west-2.amazonaws.com/1234567890/reference/1234567890/index" } For more information, see `Omics Workflows <https://docs.aws.amazon.com/omics/latest/dev/workflows.html>`__ in the *Amazon Omics Developer Guide*.