diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6845c74d2..9b922cb37 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,9 +8,20 @@ In this document you can find the overall structure of TestSpark plugin. The cla
 Run `gradle buildPlugin`.
 
 ### Including Test generation using Grazie (for JetBrains employees only!)
-to include test generation using Grazie in the build process, you need to set two environment variables: 
-- `SPACE_TG_USERNAME`: Your space username.
-- `SPACE_TG_PASS`: Token generated by Space, which has access to Automatically generating unit tests maven packages.
+to include test generation using Grazie in the build process, you need to pass Space username and token as properties:
+`gradle buildPlugin -Dspace.username=<USERNAME> -Dspace.pass=<TOKEN>`.
+
+`<TOKEN>` is generated by Space, which has access to Automatically generating unit tests maven packages.
+
+## Run IDE for UI tests
+In IDEA, run the `Run IDE for UI Tests` configuration. Alternatively, use the following command:
+`gradle runIdeForUiTests`.
+
+### Including Test generation using Grazie (for JetBrains employees only!)
+to include test generation using Grazie in the build process, you need to pass Space username and token as properties:
+`gradle runIdeForUiTests -Dspace.username=<USERNAME> -Dspace.pass=<TOKEN>`.
+
+`<TOKEN>` is generated by Space, which has access to Automatically generating unit tests maven packages.
 
 ## Plugin Configuration File
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 586798c9e..5d423a40e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,8 +11,8 @@ fun properties(key: String) = project.findProperty(key).toString()
 
 val thunderdomeVersion = "1.0.5"
 
-val spaceUsername = System.getenv("SPACE_TG_USERNAME")?.toString().orEmpty()
-val spacePassword = System.getenv("SPACE_TG_PASS")?.toString().orEmpty()
+val spaceUsername = System.getProperty("space.username")?.toString().orEmpty()
+val spacePassword = System.getProperty("space.pass")?.toString().orEmpty()
 
 plugins {
     // Java support