ADF Create Pipeline Run - Parameters

Question

I need to trigger a ADF Pipeline via REST API and pass a parameter in order to execute the pipeline for the given ID (parameter). With sparse documentation around this, I am unable to figure out how to pass parameters to the URL

Sample:

https://management.azure.com/subscriptions/asdc57878-77fg-fb1e8-7b06-7b0698bfb1e8/resourceGroups/dev-rg/providers/Microsoft.DataFactory/factories/df-datafactory-dev/pipelines/pl_StartProcessing/createRun?api-version=2018-06-01

I tried to send parmaters in the request body but I get the following message depending on how params are sent

{ "message": "The request entity's media type 'text/plain' is not supported for this resource." }

I tried using python requests :

import requests url = "https://management.azure.com/subscriptions/adsad-asdasd-adasd-adasda-adada/resourceGroups/dev-rg/providers/Microsoft.DataFactory/factories/datafactory-dev/pipelines/pl_Processing/createRun?api-version=2018-06-01" payload = " \"parameters\": {\r\n “stateID”: “78787878”\r\n}" headers = { 'Content-Type': 'application/json', 'Authorization': 'Bearer adsasdasdsad' } response = requests.request("POST", url, headers=headers, data = payload) print(response.text.encode('utf8'))

I tried to put the parameter in the payload (body)

Which parameter do you want to use? The given ID you mean referencePipelineRunId? Could you show your complete request sample, Including the body? — Joy Wang
– Joy Wang, Commented Aug 12, 2020 at 1:44
The pipeline expects Stateid as a parameter. This is a custom pipeline parameter instead of a URI parameter — bunker
– bunker, Commented Aug 12, 2020 at 3:22
Could you update your question with the sample request you have tried? — Joy Wang
– Joy Wang, Commented Aug 12, 2020 at 4:00

bunker · Accepted Answer · 2020-08-13 17:53:52Z

Paramters can be passed within body

python sample:

import requests url = "https://management.azure.com/subscriptions/adsad-asdasd-adasd-adasda-adada/resourceGroups/dev-rg/providers/Microsoft.DataFactory/factories/datafactory-dev/pipelines/pl_Processing/createRun?api-version=2018-06-01" payload = "{\"stateID\":1200}" headers = { 'Content-Type': 'application/json', 'Authorization': 'Bearer adsasdasdsad' } response = requests.request("POST", url, headers=headers, data = payload) print(response.text.encode('utf8'))

Ram Jaddu · Accepted Answer · 2022-01-07 18:58:05Z

You have to use a parameter name as post

url = "https://management.azure.com/subscriptions/adsad-asdasd-adasd-adasda-adada/resourceGroups/dev-rg/providers/Microsoft.DataFactory/factories/datafactory-dev/pipelines/pl_Processing/createRun?api-version=2018-06-01 -d '{"stateID"="78787878"}'

microsoft docs for your reference : https://learn.microsoft.com/en-us/rest/api/datafactory/pipelines/create-run

As it’s currently written, your answer is unclear. Please edit to add additional details that will help others understand how this addresses the question asked. You can find more information on how to write good answers in the help center.

Stefan · Accepted Answer · 2022-02-17 16:08:55Z

You have to pass them as the POST body.
To pass more than one parameter the body this looks like:

"param1": "param1value" ,"param2":"param2value" }

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