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LinkToTheAsh_
Frequent Visitor

Check if SharePoint Rest API results are blank

Hi All,

I have a flow where I am testing if a user belongs to a SharePoint group and then creates an array of the groups they belong to.

Do do this I am filtering through an Array of all groups as below and then I want to check if the results from this HTTP request are blank (equal to "[]") as shown below.

 

LinkToTheAsh__0-1621512720411.png


The outputs of a (_api/web/sitegroups/GetByName('GroupName')/Users?$filter=Email eq 'EmailAddress') when the group doesn't contain this user looks like this.

 

 

{
  "d": {
    "results": []
  }
}

 

 

However Power Automate see's this "[]" parameter as an array and won't perform the check. How can I create a condition that check if these results are blank?

I've tried using double and single quotes around the square brackets, I've tried "null" as well as leaving the parameter empty but no luck.

1 ACCEPTED SOLUTION

Accepted Solutions
Expiscornovus
Super User
Super User

Hi @LinkToTheAsh_,

 

In your condition action you could check for the length of the response. If it is equal to 0 it is empty.

length(outputs('Check_if_Buyer_is_a_Member')?['body/d/results'])

 

isequalto0.png

 

View solution in original post

2 REPLIES 2
Expiscornovus
Super User
Super User

Hi @LinkToTheAsh_,

 

In your condition action you could check for the length of the response. If it is equal to 0 it is empty.

length(outputs('Check_if_Buyer_is_a_Member')?['body/d/results'])

 

isequalto0.png

 

View solution in original post

@Expiscornovus  that worked perfectly, so simple I feel like banging my head against the wall now haha. Thank you. 

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