---
title: "How to use the sampling point data?"
url: "https://openforis.support/questions/2227/how-to-use-the-sampling-point-data"
tags: ["collect"]
status: "accepted"
score: 0
answer_count: 2
asked: "2019-03-29T16:35:48"
last_activity: "2019-04-02T12:37:11"
source: "Open Foris Support - Q&A Forum"
license: "Copyright Open Foris, 2026. Some rights reserved under creative commons license."
---

# How to use the sampling point data?

Asked by Sabrina on 2019-03-29

Dear Openforis Team

I have a question about using "Sampling Point Data". I imported your example list into Collect.
How is this list usable? Can I complement it and add new values in an additional column? I don't understand the relation between "Sampling Point Data" and the "Schema".

Thanks for your help!


## Accepted answer (score 1, by Stefano (OF) on 2019-04-01)

Link: https://openforis.support/questions/2227/how-to-use-the-sampling-point-data/2235

Dear Sabrina,  
Once you create your list of sampling point data, you can use it as a code list (it's called `sampling_design` among the list of available code lists in the code attribute editor).  
Also, you can define *extra* columns; all the columns with a name different from `level1_code, level2_code, level3_code, x, y, srs_id` will be considered as extra info column and you can use it in your expressions or in a calculated attribute with this function:  

`idm:samplingPointData('extra_info_column_name', plot_num)`

You can have a look to the functions used in Collect by clicking on the button close to every expression text box and we will add soon a detailed documentation about these functions in the Collect manual.  
Many thanks,  
Open Foris Team


## Answer (score 0, by Sabrina on 2019-04-02)

Link: https://openforis.support/questions/2227/how-to-use-the-sampling-point-data/2237

Dear OF Team
Thanks again for supporting me!
Importing a sampling point file with additional columns and including it as code attributes in the schema works.
Is it possible to define a column other than level_1 as code in the schema? For example level_3?
The information from the Sampling Point file is used in my survey as a default to identify an object in the field. Therefore, all columns should be displayed. The objects are then supplemented with new attributes.
When I export the survey to Collect Mobile, only the code (level_1) is displayed. 
Is it possible that all information from the Sampling Point file are displayed? For example the coordinates and the columns I have defined.