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Forum Discussion
Error: property_groups: expected list, got string
I am trying to add property groups to a file with
https://content.dropboxapi.com/2/files/upload
and I am getting an error "HTTP header "Dropbox-API-Arg": property_groups: expected list, got stri...
toki4004 wrote:..., and now I want to view a folder list with items + see their properties. I get this error:
- "Error in call to API function "files/list_folder": request body: include_property_groups.filter_some: expected list, got string".
- Here is my code below. What format is expecting for "include_property_group"?
...
Even when you have one property group it should be a list with one entry, not just a single string, as you have passed. If you take a look on 'filter_some', you will see that expected type is list, not something else (list of ids, not just one id itself - even when it's alone). Wrap your id' string with array.
Thanks, I am a newbie, wondering if you could help:
From the explorer page, I get this error
... "Dropbox-API-Arg": property_groups.template_id: '' must be at least 1 characters, got 0Is the template required? All I am trying to do is save a custom metadata snippet with the file.
I tried removing that first json_encode call and just supplying the $meta variable. Now I get the error:
"... property_groups: expected list, got builtins.dict"
toki4004, did you prototype your calls? As seems not yet... Yes, property group is list/array. The elements of this list are dicts. The fields of each element is list also.
Take a bit more care. 🙋
I am trying to but I get that error 400 - it's asking for template_id. What template is it referring to?
- Greg-DB
Dropbox Staff
toki4004 The 'property_groups' parameter on the /2/files/upload endpoint is optional. (You can find that in the documentation for /2/files/upload.) You should only set it if you are using the "file properties" feature. If you do set the 'property_groups' parameter though, the 'template_id' field in any given PropertyGroup object is required and must not be empty.
You can find information on the file properties feature, such as what templates are and how to work with them, in the documentation for it here.
Where before I was getting en error
property_groups: expected list, got stringnow with this change:
$meta = array( array("cat", "dog") ); $fields = array( "path" => "/ba.txt", "autorename" => false, "mode" => "overwrite", "mute" => false, "strict_conflict" => false, "property_groups" => $meta );I am getting:
property_groups: expected object, got list
So now it's NOT expecting a list...? I am confused on the format that it wants to receive.- Greg-DB
toki4004 The "property_groups: expected object, got list" error is referring to the items in the property_groups list; the items are supposed to be objects of type PropertyGroup, but you're instead supplying a list via `array("cat", "dog")`.
It should look more like this:
$meta = array( array("template_id" => "ptid:TEMPLATEID", "fields" => array(array("name" => "FIELDNAME", "value" => "FIELDVALUE"))) );You'd need to replace the CAPITALIZED values with your actual values of course.
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