import requests

url = "https://{FUSION HOST}/api/collections/{collection}/schema/fields"

payload = {
    "name": "<string>",
    "type": "<string>",
    "indexed": True,
    "stored": True,
    "multiValued": True,
    "required": True,
    "docValues": True,
    "omitNorms": True,
    "omitPositions": True,
    "omitTermFreqAndPositions": True,
    "termVectors": True,
    "termPositions": True,
    "termOffsets": True,
    "copyDests": ["<string>"],
    "copySources": ["<string>"],
    "numDocs": 123,
    "default": "<string>"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.json())