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txkimmers
Frequent Visitor

Output from Join not available in dynamic content

Hello, I am an upper-noob, lower intermediate PA user and I hope someone can help with this.  I am building a flow to combine columns from two SharePoint lists that have a single column in common to connect them as in a one-to-many relationship and then export the combined list data into a worksheet.  I actually have this working just fine. What is tripping me up is a column in one of the lists that is a multi-selection column.  I have used Apply-to-each to extract the column values from the list with Select and then connected them with a comma via Join and that is also fine.

My problem is that the output of the Join operation is not appearing in dynamic content so that I can place it in the row definition of the "Add a Row" connector.  I tried putting the Join output into a Compose action, but that output is not available either.  What am I missing in the flow to ensure that the Join output is available in dynamic content, or do I need to write an expression to grab this data, and if so, can I get help with that expression (I am definitely a noob with expression writing).

 

Thanks much in advance~

 

1 ACCEPTED SOLUTION

Accepted Solutions
txkimmers
Frequent Visitor

I managed to solve this problem by taking a different tack.  After creating the file and the getting the first SP list values, I set an Apply to each to loop through the SP list values, then looped select/join the values for the multi-choice column and then added a row to the spreadsheet.  So basically instead of trying to get all the values for the export lined up and ready to use after getting the matching sub-group from list 2, I am going to do the export in two stages.  Stage 1 will create the rows, add the concatenated string values into the correct column, then Stage 2 will be updating the rows with matching values from the other SP list.

Now I am working through updating the rows of that worksheet with the matching values from the second list.  Having some trouble since that is also new to me, but that is best saved for another ticket.

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9 REPLIES 9
wskinnermctc
Super User
Super User

I'm not entirely sure what you are doing since there seems to be a lot going on and multiple apply to each. 

 

But if you can't find something in the Dynamic Content, then it is because PA is trying to be "helpful" and provide options that it thinks are necessary. For example sometimes if you click into a datetime field, the dynamic content won't show any text/string options (sometimes). 

But the dynamic content still exists. 

 

You should put a Compose step above the Add Row or whatever you are populating. Put the Join dynamic content into the compose. 

 

Hover your mouse over the Join dynamic content in the compose and it will show the expression to use. 

Or you can highlight and copy the dynamic content then paste it into a separate notepad or word document.

 

It will look something like "@{item()['Column']} or whatever. Just remove the initial at@ symbol and curly brackets.

 

Go into the add row field you want to put the dynamic content and go to "Expression" fx box instead of dynamic content. Paste in that text as an expression.

 

It will use it just like if it was dynamic content.

Thank you for the quick response. Based on your notes, I was able to write the expression but when I put it in the "add a row" and tested it didn't return any data.  I tried putting the Join results into a string variable, but that unfortunately did what I expected it to do and just returned the first value in the Join array and repeated it for each row.  I can't use an array variable because Excel wants a string. 

I am starting to think I need a different approach to turning the SP multi-choice values into a string, so I am going to pursue that.  The underlying problem is that I do not completely understand the right way to shape the values from the SP column, so I will do some more research. 

--txk

Matthy79
Super User
Super User

Looking at the first screenshot you shared it looks like you are selecting an array property. This would create an array inside an array.

 

Look at the output of the select action. I don’t think you need the select action but I would need sample data to analyze it.

txkimmers
Frequent Visitor

Hello Matthy79:

Yes, it is an array within an array, and I am unsure how to make it available to loop through another SP list, create a mapped content item and have it available for the final Apply-to-Each.

I parsed the JSON of the first list, see below.  The array that I need to retrieve for each SP list record is SetOptions.items.value , that is the multi-select column from the list.  

After parsing the JSON from the list, I am uncertains how to write an expression that will retrieve the SetOption item values for each record that I am matching against in the second list.  I do have the parsed content items available as dynamic content in the Apply-to-each that will write each row of the Excel worksheet, but again I am not sure how to make use of them correctly.  I hope this information helps?  I am happy to post more screenshots of the flow steps too. 

Also: in this scenario, the term "Function" refers to sub-events of a meeting, not a programming term, so General Session is a function, Opening Reception is a function, and the "sets" refers to the actual set up needs for the event. 

 

 

 

 

{
  "type": "object",
  "properties": {
    "body": {
      "type": "object",
      "properties": {
        "value": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "@@odata.etag": {
                "type": "string"
              },
              "ItemInternalId": {
                "type": "string"
              },
              "ID": {
                "type": "integer"
              },
              "FunctionID": {
                "type": "string"
              },
              "Quantity": {
                "type": "string"
              },
              "Modified": {
                "type": "string"
              },
              "Editor": {
                "type": "object",
                "properties": {
                  "@@odata.type": {
                    "type": "string"
                  },
                  "Claims": {
                    "type": "string"
                  },
                  "DisplayName": {
                    "type": "string"
                  },
                  "Email": {
                    "type": "string"
                  },
                  "Picture": {
                    "type": "string"
                  },
                  "Department": {
                    "type": "string"
                  },
                  "JobTitle": {
                    "type": "string"
                  }
                }
              },
              "Editor#Claims": {
                "type": "string"
              },
              "Created": {
                "type": "string"
              },
              "Author": {
                "type": "object",
                "properties": {
                  "@@odata.type": {
                    "type": "string"
                  },
                  "Claims": {
                    "type": "string"
                  },
                  "DisplayName": {
                    "type": "string"
                  },
                  "Email": {
                    "type": "string"
                  },
                  "Picture": {
                    "type": "string"
                  },
                  "Department": {
                    "type": "string"
                  },
                  "JobTitle": {
                    "type": "string"
                  }
                }
              },
              "Author#Claims": {
                "type": "string"
              },
              "SetOptions": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "@@odata.type": {
                      "type": "string"
                    },
                    "Id": {
                      "type": "integer"
                    },
                    "Value": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "@@odata.type",
                    "Id",
                    "Value"
                  ]
                }
              },
              "SetOptions@odata.type": {
                "type": "string"
              },
              "SetOptions#Id": {
                "type": "array",
                "items": {
                  "type": "integer"
                }
              },
              "SetOptions#Id@odata.type": {
                "type": "string"
              },
              "{Identifier}": {
                "type": "string"
              },
              "{IsFolder}": {
                "type": "boolean"
              },
              "{Thumbnail}": {
                "type": "object",
                "properties": {
                  "Large": {},
                  "Medium": {},
                  "Small": {}
                }
              },
              "{Link}": {
                "type": "string"
              },
              "{Name}": {
                "type": "string"
              },
              "{FilenameWithExtension}": {
                "type": "string"
              },
              "{Path}": {
                "type": "string"
              },
              "{FullPath}": {
                "type": "string"
              },
              "{HasAttachments}": {
                "type": "boolean"
              },
              "{VersionNumber}": {
                "type": "string"
              },
              "Title": {
                "type": "string"
              }
            },
            "required": [
              "@@odata.etag",
              "ItemInternalId",
              "ID",
              "FunctionID",
              "Quantity",
              "Modified",
              "Editor",
              "Editor#Claims",
              "Created",
              "Author",
              "Author#Claims",
              "SetOptions",
              "SetOptions@odata.type",
              "SetOptions#Id",
              "SetOptions#Id@odata.type",
              "{Identifier}",
              "{IsFolder}",
              "{Thumbnail}",
              "{Link}",
              "{Name}",
              "{FilenameWithExtension}",
              "{Path}",
              "{FullPath}",
              "{HasAttachments}",
              "{VersionNumber}"
            ]
          }
        }
      }
    }
  }
}

 

 

 

Matthy79
Super User
Super User

The easiest way for me to understand the requirement correctly would be to see JSON samples of the input and the desired output. Is this possible from one flow run history (change the values of sensitive data).

 

Right now I think xpath could be the way to go by using a select action and transform the data.

txkimmers
Frequent Visitor

I have been trying a few other things on my own and work got busy!  I will respond with the information you need asap, sorry for the delay.

txkimmers
Frequent Visitor

I managed to solve this problem by taking a different tack.  After creating the file and the getting the first SP list values, I set an Apply to each to loop through the SP list values, then looped select/join the values for the multi-choice column and then added a row to the spreadsheet.  So basically instead of trying to get all the values for the export lined up and ready to use after getting the matching sub-group from list 2, I am going to do the export in two stages.  Stage 1 will create the rows, add the concatenated string values into the correct column, then Stage 2 will be updating the rows with matching values from the other SP list.

Now I am working through updating the rows of that worksheet with the matching values from the second list.  Having some trouble since that is also new to me, but that is best saved for another ticket.

Matthy79
Super User
Super User

Hello @txkimmers

 

The problem with apply to each is that it takes long and consumes a lot of requests (depending on the amount of loops).

 

But if it is good enough it is perfect when you found your solution.

txkimmers
Frequent Visitor

Yes, as I am discovering, there isn't way to update multiple columns at per row when you update a row?  This is not going to work long term but it will have to do for now.  Thanks much for your help though.

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