# \#variables **URL:** https://community.postman.com/tag/variables/17.md [Latest](https://community.postman.com/latest.md) · [Categories](https://community.postman.com/categories.md) · [Tags](https://community.postman.com/tags.md) --- ## [Global Variables and Postman Versions](https://community.postman.com/t/global-variables-and-postman-versions/90805)
**Author:** [@tim-cartwright](https://community.postman.com/u/tim-cartwright)\ **Replies:** 3\ **Last updated:** [June 6, 2026, 4:46pm UTC](https://community.postman.com/t/global-variables-and-postman-versions/90805 "2026-06-06T16:46:22Z")
I am busy. I don’t really expect my api testing tool to take up too much of my time. However, I like to make things easy and repeatable. So when I set up my postman collection for the current company I work for in versio… --- ## [When duplicating an entry with curly brace variables, the variables are resolved to values](https://community.postman.com/t/when-duplicating-an-entry-with-curly-brace-variables-the-variables-are-resolved-to-values/90716)
**Author:** [@jim-garrison](https://community.postman.com/u/jim-garrison)\ **Replies:** 3\ **Last updated:** [June 2, 2026, 11:24pm UTC](https://community.postman.com/t/when-duplicating-an-entry-with-curly-brace-variables-the-variables-are-resolved-to-values/90716 "2026-06-02T23:24:39Z")
I have some API calls that were originally defined with hardcoded values, and later edited to use curly-brace variables. When using the “duplicate” function the hardcoded version is what is duplicated, not the one with … --- ## [How to use variables with multiple entries](https://community.postman.com/t/how-to-use-variables-with-multiple-entries/90280)
**Author:** [@agoodman1](https://community.postman.com/u/agoodman1)\ **Replies:** 4\ **Last updated:** [May 11, 2026, 3:08pm UTC](https://community.postman.com/t/how-to-use-variables-with-multiple-entries/90280 "2026-05-11T15:08:50Z")
Hello, I’m fairly new to Postman and am trying to view all clients on a specific vlan across the organization. I’ve found the “getNetworkClients” workflow and it works great when specifying vlan and time frame. The issu… --- ## [Variable values no longer appearing in documentation](https://community.postman.com/t/variable-values-no-longer-appearing-in-documentation/90005)
**Author:** [@supply-specialist-97](https://community.postman.com/u/supply-specialist-97)\ **Replies:** 1\ **Last updated:** [April 24, 2026, 12:27pm UTC](https://community.postman.com/t/variable-values-no-longer-appearing-in-documentation/90005 "2026-04-24T12:27:33Z")
Following the 12.7.1 update, variable values are no longer appearing in my documentation. Please advise. --- ## [Request not working in workspace with git integration](https://community.postman.com/t/request-not-working-in-workspace-with-git-integration/89850)
**Author:** [@adam-cimoch-d8f487b0](https://community.postman.com/u/adam-cimoch-d8f487b0)\ **Replies:** 2\ **Last updated:** [April 13, 2026, 2:03pm UTC](https://community.postman.com/t/request-not-working-in-workspace-with-git-integration/89850 "2026-04-13T14:03:38Z")
I observed that a specific Postman collection, which runs successfully in other workspaces, is failing to execute requests when used in a workspace with Git integration. Is there a known issue or common explanation for t… --- ## [Unable to export variables in the Global Environment](https://community.postman.com/t/unable-to-export-variables-in-the-global-environment/89043)
**Author:** [@docking-module-astr9](https://community.postman.com/u/docking-module-astr9)\ **Replies:** 6\ **Last updated:** [April 8, 2026, 1:07pm UTC](https://community.postman.com/t/unable-to-export-variables-in-the-global-environment/89043 "2026-04-08T13:07:07Z")
Hello, I’m unable to export my variables in the Global environments as it encountered error when I press the “Export” button at the top right. Does anyone experience the same in Postman V12.0.1? --- ## [\_\_queryFilter for many records](https://community.postman.com/t/queryfilter-for-many-records/89749)
**Author:** [@tphan2](https://community.postman.com/u/tphan2)\ **Replies:** 4\ **Last updated:** [April 6, 2026, 3:30pm UTC](https://community.postman.com/t/queryfilter-for-many-records/89749 "2026-04-06T15:30:57Z")
I want to do a query filter which is equivalent to this SQL Statement “select \* from tableA where record\_ID in (101, 102……..199);”. How would the \_\_queryFilter syntax be like? --- ## [Collection level variables aren't available until set programmatically in script](https://community.postman.com/t/collection-level-variables-arent-available-until-set-programmatically-in-script/89445)
**Author:** [@shade-webb](https://community.postman.com/u/shade-webb)\ **Replies:** 3\ **Last updated:** [March 19, 2026, 12:37pm UTC](https://community.postman.com/t/collection-level-variables-arent-available-until-set-programmatically-in-script/89445 "2026-03-19T12:37:19Z")
You cannot set variables at a collection level until you research the command to set these in a script. Once this is done the tab “unlocks” allowing you to set these in the collection level. This must be done for every c… --- ## [Entire environment wiped, careful!](https://community.postman.com/t/entire-environment-wiped-careful/89383)
**Author:** [@shade-webb](https://community.postman.com/u/shade-webb)\ **Replies:** 2\ **Last updated:** [March 19, 2026, 12:17pm UTC](https://community.postman.com/t/entire-environment-wiped-careful/89383 "2026-03-19T12:17:10Z")
Edited below to remove specifics, but I asked Postbot to tell me where one variable was being set in my script, and it went absolutely insane and wiped my ENTIRE environment to nothing. No blank variables, nothing. Be ca… --- ## [Visual Studio doesn't stops at breakpoint](https://community.postman.com/t/visual-studio-doesnt-stops-at-breakpoint/89335)
**Author:** [@narawntapu](https://community.postman.com/u/narawntapu)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 11:16am UTC](https://community.postman.com/t/visual-studio-doesnt-stops-at-breakpoint/89335 "2026-03-19T11:16:27Z")
To somebody knowing postman very trival question. I have a sample project with WEB Api. My Actiton methos looks like this: public async Task Index(string test1, string test2, string test3) I have something like: { "… --- ## [Non Cloud Stored Collections](https://community.postman.com/t/non-cloud-stored-collections/88699)
**Author:** [@jhardman15](https://community.postman.com/u/jhardman15)\ **Replies:** 7\ **Last updated:** [March 17, 2026, 4:04pm UTC](https://community.postman.com/t/non-cloud-stored-collections/88699 "2026-03-17T16:04:18Z")
I want to utilise postman in my current role, however we have strict security policies where we cannot store company data on external/non company servers. Are Collections and Environmental packages stored on Postman’s cl… --- ## [Custom headers not working after Postman update — HTTP/2 lowercases header names](https://community.postman.com/t/custom-headers-not-working-after-postman-update-http-2-lowercases-header-names/89270)
**Author:** [@avionics-candidate-4](https://community.postman.com/u/avionics-candidate-4)\ **Replies:** 0\ **Last updated:** [March 10, 2026, 6:04pm UTC](https://community.postman.com/t/custom-headers-not-working-after-postman-update-http-2-lowercases-header-names/89270 "2026-03-10T18:04:07Z")
Hi everyone, I spent a good amount of time debugging an issue that started after a recent Postman update, and I wanted to share the solution in case others are experiencing the same problem. The Problem I have an API t… --- ## [Programmatically Unshare variables?](https://community.postman.com/t/programmatically-unshare-variables/88910)
**Author:** [@chris-tifer](https://community.postman.com/u/chris-tifer)\ **Replies:** 6\ **Last updated:** [February 27, 2026, 9:54am UTC](https://community.postman.com/t/programmatically-unshare-variables/88910 "2026-02-27T09:54:33Z")
Is there a way to programmatically Unshare any of the Shared environment variables? Our company wants to roll users back to 9.27, however, there’s vulnerability risks there as well. --- ## [TypeError:Cannot read properties of undefined (reading 'sigBytes') HMAC](https://community.postman.com/t/typeerror-cannot-read-properties-of-undefined-reading-sigbytes-hmac/88862)
**Author:** [@aboudra-dca3a8e7](https://community.postman.com/u/aboudra-dca3a8e7)\ **Replies:** 4\ **Last updated:** [February 26, 2026, 9:34am UTC](https://community.postman.com/t/typeerror-cannot-read-properties-of-undefined-reading-sigbytes-hmac/88862 "2026-02-26T09:34:38Z")
Plz any idea to resole TypeError:Cannot read properties of undefined (reading ‘sigBytes’ with HMAC? any think is set correctly in Env. Thank you --- ## [Environments are not loading after Postman update to v11.30.2](https://community.postman.com/t/environments-are-not-loading-after-postman-update-to-v11-30-2/74614)
**Author:** [@andrea-ree](https://community.postman.com/u/andrea-ree)\ **Replies:** 10\ **Last updated:** [February 16, 2026, 9:56am UTC](https://community.postman.com/t/environments-are-not-loading-after-postman-update-to-v11-30-2/74614 "2026-02-16T09:56:12Z")
Hi everyone, If someone with the same experience please help. After updating my Postman to v11.30.2, the environments and the values saved in it are not loading and stating that the environments are not found What … --- ## [Error on setting variables ( Cannot read properties of undefined )](https://community.postman.com/t/error-on-setting-variables-cannot-read-properties-of-undefined/88450)
**Author:** [@dainova17](https://community.postman.com/u/dainova17)\ **Replies:** 13\ **Last updated:** [February 5, 2026, 9:17pm UTC](https://community.postman.com/t/error-on-setting-variables-cannot-read-properties-of-undefined/88450 "2026-02-05T21:17:51Z")
Hi, I’m trying to set my env to store jwt token, and no matter what I tried I can’t see it working, no value in Env section. I typed this code in \`cripts\` section, tried for local/global: const response = pm.response.js… --- ## [How can I create variable that can have many string values?](https://community.postman.com/t/how-can-i-create-variable-that-can-have-many-string-values/15270)
**Author:** [@anna.tirshenko](https://community.postman.com/u/anna.tirshenko)\ **Replies:** 12\ **Last updated:** [January 30, 2026, 10:08am UTC](https://community.postman.com/t/how-can-i-create-variable-that-can-have-many-string-values/15270 "2026-01-30T10:08:39Z")
Hi everyone! I need to create a variable, and manually set its different values, then I need that every time when sending the request it randomly chooses any of these values and put it in the request query. So, this is… --- ## [Saving variables in post-request script are not consistent](https://community.postman.com/t/saving-variables-in-post-request-script-are-not-consistent/84370)
**Author:** [@lednik](https://community.postman.com/u/lednik)\ **Replies:** 51\ **Last updated:** [January 23, 2026, 7:09pm UTC](https://community.postman.com/t/saving-variables-in-post-request-script-are-not-consistent/84370 "2026-01-23T19:09:18Z")
Hi, Since latest update (11.61.9) variables are not saved anymore, they are sometimes but in most cases they are not. I can save some variables in post-request script in to collection variables, i can also verify that … --- ## [Request for Variable Description on Hover/Select](https://community.postman.com/t/request-for-variable-description-on-hover-select/87917)
**Author:** [@descent-module-tech3](https://community.postman.com/u/descent-module-tech3)\ **Replies:** 1\ **Last updated:** [January 9, 2026, 11:09am UTC](https://community.postman.com/t/request-for-variable-description-on-hover-select/87917 "2026-01-09T11:09:23Z")
Hello Team, I have a request regarding the display of variable descriptions. I would like to see a feature that shows the description of a variable when the mouse hovers over or selects the variable. The description sh… --- ## [Saving environmental variable, does not save its value after save](https://community.postman.com/t/saving-environmental-variable-does-not-save-its-value-after-save/87908)
**Author:** [@maja-medved](https://community.postman.com/u/maja-medved)\ **Replies:** 3\ **Last updated:** [January 9, 2026, 9:04am UTC](https://community.postman.com/t/saving-environmental-variable-does-not-save-its-value-after-save/87908 "2026-01-09T09:04:27Z")
Steps to reproduce: Create new environmental variable (with value) Save, press Ctrl+S for example Export environmental variable to local machine as json file. If we open this file we see that this new variable is witho… --- ## [Updating environment variables not working](https://community.postman.com/t/updating-environment-variables-not-working/87548)
**Author:** [@simon-malaret](https://community.postman.com/u/simon-malaret)\ **Replies:** 8\ **Last updated:** [January 8, 2026, 4:33am UTC](https://community.postman.com/t/updating-environment-variables-not-working/87548 "2026-01-08T04:33:34Z")
Hello everyone, I’m experiencing inconsistent behavior when automatically updating environment variables during OAuth 2.0 token refresh. The problem: My post-request script updates access\_token and refresh\_token afte… --- ## [API Made Simple: Explained for Absolute Beginners (With Real-Life Example)](https://community.postman.com/t/api-made-simple-explained-for-absolute-beginners-with-real-life-example/87713)
**Author:** [@priyanshipankhaniya2](https://community.postman.com/u/priyanshipankhaniya2)\ **Replies:** 1\ **Last updated:** [January 4, 2026, 7:25am UTC](https://community.postman.com/t/api-made-simple-explained-for-absolute-beginners-with-real-life-example/87713 "2026-01-04T07:25:55Z")
What is an API? (Grandparent Version :old\_man::old\_woman:) Imagine you are sitting in a restaurant. You don’t go inside the kitchen to make your food. You tell the waiter what you want, and the waiter brings your food … --- ## [Connect to Netbox REST API](https://community.postman.com/t/connect-to-netbox-rest-api/87558)
**Author:** [@raamo0261](https://community.postman.com/u/raamo0261)\ **Replies:** 1\ **Last updated:** [January 2, 2026, 12:18pm UTC](https://community.postman.com/t/connect-to-netbox-rest-api/87558 "2026-01-02T12:18:47Z")
Connect to Netbox REST API I came across with a problem to use Netbox REST API. And here is how I overcome that; So in order to use Netbox API you need to add Authentication to your requests. In your request go to \` Au… --- ## [Questions and Feedback on Environment Variable Handling in Postman](https://community.postman.com/t/questions-and-feedback-on-environment-variable-handling-in-postman/87611)
**Author:** [@sladjo](https://community.postman.com/u/sladjo)\ **Replies:** 4\ **Last updated:** [December 23, 2025, 1:16pm UTC](https://community.postman.com/t/questions-and-feedback-on-environment-variable-handling-in-postman/87611 "2025-12-23T13:16:20Z")
We are currently working with eight environments in Postman and would like to share a few observations regarding environment variable handling. It is possible that we are missing something, so we would appreciate clarifi… --- ## [No edit option when selecting the ellipsis in my collection](https://community.postman.com/t/no-edit-option-when-selecting-the-ellipsis-in-my-collection/87650)
**Author:** [@craig-fink](https://community.postman.com/u/craig-fink)\ **Replies:** 4\ **Last updated:** [December 22, 2025, 3:56pm UTC](https://community.postman.com/t/no-edit-option-when-selecting-the-ellipsis-in-my-collection/87650 "2025-12-22T15:56:14Z")
Hello I’m wanting to store a new variable in my collection but when selecting the ellipsis on the collection there is no edit option, does anyone know what the solution could be please? Thanks Craig --- ## [Environment variable not updated in flows](https://community.postman.com/t/environment-variable-not-updated-in-flows/79947)
**Author:** [@orbital-module-tec12](https://community.postman.com/u/orbital-module-tec12)\ **Replies:** 2\ **Last updated:** [December 17, 2025, 4:24pm UTC](https://community.postman.com/t/environment-variable-not-updated-in-flows/79947 "2025-12-17T16:24:07Z")
I have found a few topics on this issue from previous poster, but it isn’t clear to me what i have done wrong and the responses haven’t always helped. When i run these http request in collection one at a time, there is n… --- ## [Postman flows not updating environment variables](https://community.postman.com/t/postman-flows-not-updating-environment-variables/48277)
**Author:** [@avionics-engineer-87](https://community.postman.com/u/avionics-engineer-87)\ **Replies:** 12\ **Last updated:** [December 17, 2025, 4:21pm UTC](https://community.postman.com/t/postman-flows-not-updating-environment-variables/48277 "2025-12-17T16:21:54Z")
Hi There, I have recently started using postman flow. I really like the feature. However, came across an issue related to updating environment variables and couldn’t find solution. Problem: Request in flows not updati… --- ## [After Postman update no initial and current value anymore](https://community.postman.com/t/after-postman-update-no-initial-and-current-value-anymore/84510)
**Author:** [@RobLoket2020](https://community.postman.com/u/RobLoket2020)\ **Replies:** 3\ **Last updated:** [December 1, 2025, 10:57pm UTC](https://community.postman.com/t/after-postman-update-no-initial-and-current-value-anymore/84510 "2025-12-01T22:57:44Z")
Hello all, Does anyone know if there has been an update that changed the environment variables? I used to have 3 columns; variable, initial value and current value. Since about 2 weeks i only have the a column named Var… --- ## [Variables not being preprocessed by postman](https://community.postman.com/t/variables-not-being-preprocessed-by-postman/86861)
**Author:** [@mreis1](https://community.postman.com/u/mreis1)\ **Replies:** 6\ **Last updated:** [November 27, 2025, 6:47am UTC](https://community.postman.com/t/variables-not-being-preprocessed-by-postman/86861 "2025-11-27T06:47:35Z")
I’m running the latest version of Postman, and I noticed that variables are no longer being interpolated when I hit Send. When I hover over the variable, the tooltip shows the correct value. However, both the Code Snip… --- ## [Postman CLI - Not picking up or setting Environment variables from Collection Pre-request](https://community.postman.com/t/postman-cli-not-picking-up-or-setting-environment-variables-from-collection-pre-request/86997)
**Author:** [@faisalk-ps](https://community.postman.com/u/faisalk-ps)\ **Replies:** 6\ **Last updated:** [November 25, 2025, 5:51pm UTC](https://community.postman.com/t/postman-cli-not-picking-up-or-setting-environment-variables-from-collection-pre-request/86997 "2025-11-25T17:51:49Z")
Hi, When I run a collection with an environment using Postman CLI it doesn’t seem to set or pickup the environment variables: postman collection run (collection-uuid) -e (environment-uuid) This is the format of the … [Next page](https://community.postman.com/tag/variables/17.md?match_all_tags=true&page=1&tags%5B%5D=variables)