How to insert a new key value pair into a JSON file, where the value is based upon an attribute

jdh wrote:

The value type should be plain text, and the value should just point to the attribute.

The following works fine for me.

Just to verify, you are attaching the feature to both the Document and Update ports?

I hadn't connected the feature to the Update port. Connecting it however doesn't solve my problem. The processing time increases very much. But that isn't the biggest problem. For most of the features, the frequency key in the JSON file doesn't have the right value.

 

 

I have 217 features in my dataset. I think the frequency key in the JSON file is now updated 217 times *for every feature*. After running the workspace, all JSON files seem to have the same value for frequency, namely that of the frequency attribute in the last feature that was processed.

 

 

friesewoudloper wrote:

I hadn't connected the feature to the Update port. Connecting it however doesn't solve my problem. The processing time increases very much. But that isn't the biggest problem. For most of the features, the frequency key in the JSON file doesn't have the right value.

 

 

I have 217 features in my dataset. I think the frequency key in the JSON file is now updated 217 times *for every feature*. After running the workspace, all JSON files seem to have the same value for frequency, namely that of the frequency attribute in the last feature that was processed.

 

 

If you have multiple features and you want each feature to be treated individually, you need to set the group by, on a unique attribute for each feature.

jdh wrote:

If you have multiple features and you want each feature to be treated individually, you need to set the group by, on a unique attribute for each feature.

You are right! It works fine now. Thank you!