from cognite.client.data_classes import WorkflowVersionId
res = client.workflows.versions.retrieve(WorkflowVersionId("my_workflow", "v1"))

res = client.workflows.versions.retrieve(
    [WorkflowVersionId("my_workflow", "v1"), WorkflowVersionId("other", "v3.2")],
    ignore_unknown_ids=True,
)
res = client.workflows.versions.retrieve([("my_workflow", "v1"), ("other", "v3.2")])

res = client.workflows.versions.retrieve("my_workflow", "v1")

{
  "workflowExternalId": "<string>",
  "version": "<string>",
  "workflowDefinition": {
    "hash": "<string>",
    "tasks": [
      {
        "externalId": "<string>",
        "type": "function",
        "parameters": {
          "function": {
            "externalId": "my.known.id",
            "data": {
              "key1": "value1",
              "key2": "value2"
            }
          },
          "isAsyncComplete": false
        },
        "name": "<string>",
        "description": "<string>",
        "retries": 3,
        "timeout": 3600,
        "onFailure": "abortWorkflow",
        "dependsOn": [
          {
            "externalId": "my.known.id"
          }
        ]
      }
    ],
    "description": "<string>"
  },
  "createdTime": 1730204346000,
  "lastUpdatedTime": 1730204346000
}