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Parse JSON

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Posted on by ghswebmaster

I am trying to create a Flow that takes data from an MS Form submission and creates an item in a SharePoint list. The MS Form includes an upload image option.

The Flow works without the image part.

I tried following a few YouTube videos explaining how to use the Parse JSON action to extract the image data from the submitted form. The flow fails when trying to Parse with the error “the schema validation failed”.
I did notice that when I copy/paste the sample schema as shown in those videos that instead of seeing the full code the Parse action schema box condenses it to
{
"type": "string"
}
I do not know if this is what is supposed to happen or that it happens because of how I am pasting the data.
I feel pretty confident that I am copying the correct data point associated with the upload image question on the Form.

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Building flows

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SudeepGhatakNZ 14,394 Most Valuable Professional on at

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Parse JSON

Please share you JSON Schema and JSON Input.

I will take a look.

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Gyllentid 894 on at

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Parse JSON

Add the action Compose, add the data you want to select for the Parse Json action. Run the flow. Copy the data you get in the compose. Use the copied content when you add the Parse json action, it can create that from a sample.

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ghswebmaster 28 on at

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Thank you both for responding.
I added a Compose and ran it. I copied the following to paste in the “use sample’ box on the Parse action

"[{\"name\":\"paw no background_Sample.png\",\"link\":\"https://xxxxx-my.sharepoint.com/personal/xxxx_xxxxxx_net/Documents/Apps/Microsoft%20Forms/wills/Question/paw%20no%20background_Sample%20Lz.png\",\"id\":\"016TDMZRWQRCJRCNNCNRFIB5T2UJFY3WRK\",\"type\":null,\"size\":102176,\"referenceId\":\"016TDMZRR3OBYPKIEHMZBZN5IFZPW67XJV\",\"driveId\":\"b!JIckI1asUEOH96f_MO19B64HU01a83ZMgqAt4sOXuwD9V20IyonDRrZPHNd4iLMf\",\"status\":1,\"uploadSessionUrl\":null}]"
Right after I added this, the schema box showed this
{
"type": "string"
}

When I tried the Flow again, I still get the “schema validation failed” message. When I look at the raw inputs it is identical to what I copied to the “sample schema”

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SudeepGhatakNZ 14,394 Most Valuable Professional on at

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Use this schema.

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Suggested answer

SudeepGhatakNZ 14,394 Most Valuable Professional on at

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Use this schema

{

"type": "array",

"items": {

"type": "object",

"properties": {

"name": {

"type": "string"

},

"link": {

"type": "string"

},

"id": {

"type": "string"

},

"type": {},

"size": {

"type": "integer"

},

"referenceId": {

"type": "string"

},

"driveId": {

"type": "string"

},

"status": {

"type": "integer"

},

"uploadSessionUrl": {}

},

"required": [

"name",

"link",

"id",

"type",

"size",

"referenceId",

"driveId",

"status",

"uploadSessionUrl"

]

}

}

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ghswebmaster 28 on at

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Parse JSON

Sudeep,
Thank you again for taking the time to respond. The validation still fails. The issue is what is being parsed. In both cases (my initial schema and your schema), the error is due to the input being in array format.
{
"errors": [
{
"message": "Invalid type. Expected Object but got Array.",
"lineNumber": 0,
"linePosition": 0,
"path": "",
"schemaId": "#",
"errorType": "type",
"childErrors": []
}
]
}

I have tried using the Compose action to convert the array to a string, but either my configuration is wrong or what I am trying to do is not doable.
string(outputs('Get_response_details')?['body/rf992efdfb62249acb47fe3bd3969914e'])

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Verified answer

ghswebmaster 28 on at

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This video solved my issue

https://youtu.be/4Sa6E_kk75Y?feature=shared

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