how to define scope variables

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Ziggy
29 Oct 2018
1-Use pm.globals to define a global variable:
2
3pm.globals.set("variable_key", "variable_value");
4
5-Use pm.collectionVariables to
6define a collection variable:
7
8pm.collectionVariables.set("variable_key", "variable_value");
9
10-Use pm.environment to define an environment
11variable (in the currently selected environment):
12
13pm.environment.set("variable_key", "variable_value");
14
15-You can use unset to remove a variable:
16pm.environment.unset("variable_key");
17
18-Defining local variables
19Local variables are temporary values you set
20in your request scripts using the following syntax:
21
22pm.variables.set("variable_key", "variable_value");
Cécile
31 Sep 2016
11-GLOBAL variables allow you to access data
2between collections, requests, test scripts,
3and environments. Global variables are
4available throughout a workspace.
5
62-COLLECTION variables are available throughout 
7the requests in a collection and are independent
8of environments, so do not change based on the selected environment.
9I use collection variables when
10I use single environment like url details.
11We can refer to the variable by using {{}}(double curly brace)
12and  it can be used anywhere
13
143-ENVIRONMENT Variable , a variable that accessible
15only when the environment is active 
16
17Usually used for an app with multiple environment ,
18we can use env variable to store variable with same name
19and different value to store environment specific data 
20
21for example : 
22
23xxxNamed app has 3 environments with different
24URL and Crendentials 
25
26But all endpoints are exactly the same no matter what
27environment you work on 
28
29so we can create 3 environment called 
30QA1 , QA2 , QA3 and run same set of request 
31by selecting different environment.
32
33Only one environment can be active at a time.
34
35
364-LOCAL variables are temporary, and only
37accessible in your request scripts. 
38Local variable values are scoped to a 
39single request or collection run, and are no longer
40available when the run is complete.
41
42
435-DATA variables come from external CSV and JSON files
44to define data sets you can use when running collections
45via the Collection Runner.
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