Getting a list of the JSON Keys (Not the values) from a json object.

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Posted on by Dramus

Trying to get a list out of planner of which labels have been applied to which tasks.

Planner returns the information as the following JSON object:

"appliedCategories": {
"category1": true,
"category3": true 
}

Labels that are not applied do not show up. Just the ones that are on the task.

I can't find a way to either:

Get a list of the keys, or
Find a way for the flow not to fail if a key doesn't exist.

Categories:

Building flows

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v-yuazh-msft Microsoft Employee on at

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Hi @Dramus,

I have made a test on my side and couldn't find a way to get a list of the JSON Keys from a json object.

I afraid that there is no any way to get a list of the JSON Keys from a json object in microsoft flow currently.

Best regards,

Alice

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Dramus 17 on at

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That was my conclusion too.

Maybe there is a way to use Filter Array and length() to see if the key exists.

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Dramus 17 on at

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Found a way to do it with contains().

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v-yuazh-msft Microsoft Employee on at

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Hi @Dramus,

If your problem has been solved, please go ahead to share your solutions and mark the post as solved by clicking “Accept as Solution” so that this thread will be marked for other users to easily identify!

Best regards,

Alice

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CU20081036-0 183 on at

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Hi @Dramus,

I have similar requirement and contains did not work for me. Could you please share the solution that worked for you?

I need to check if keys like locationUri, locationType exist in the JSON response.

Condition contains(outputs('Invoke_an_HTTP_request'),'locationUri') did not help.

JSON Response
"location": {
"displayName": "",
"locationUri": "",
"locationType": "conferenceRoom",
"uniqueId": "",
"uniqueIdType": "directory",
"address": {
"street": "",
"city": "",
"state": "",
"countryOrRegion": "",
"postalCode": ""
},
"coordinates": {}
},
"locations": [
{
"displayName": "",
"locationUri": "",
"locationType": "conferenceRoom",
"uniqueId": "",
"uniqueIdType": "directory",
"address": {
"street": "",
"city": "",
"state": "",
"countryOrRegion": "",
"postalCode": ""
},
"coordinates": {}
}
],
Thanks,
SV

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