{"_id":"569ea97fd233620d007055cc","project":"5553d36165e8260d0024419a","version":{"_id":"55fc9b793c21291900e7e0d7","__v":12,"project":"5553d36165e8260d0024419a","createdAt":"2015-09-18T23:17:13.545Z","releaseDate":"2015-09-18T23:17:13.545Z","categories":["55fc9b7a3c21291900e7e0d8","55fc9b7a3c21291900e7e0d9","55fc9b7a3c21291900e7e0da","55fc9b7a3c21291900e7e0db","55fc9b7a3c21291900e7e0dc","55fc9b7a3c21291900e7e0dd","55fc9b7a3c21291900e7e0de","55fc9b7a3c21291900e7e0df","55fc9b7a3c21291900e7e0e0","55fc9b7a3c21291900e7e0e1","55fc9b7a3c21291900e7e0e2","55fc9b7a3c21291900e7e0e3","55fc9bad4c80910d00b9bece","56394a0c3539050d00082122","56394a2f68b11f0d0048c9ff","56394a462fc5520d001a4db3","56394a4c2fc5520d001a4db4","56394a5b049e420d00476b5c","56394a6a2fc5520d001a4db5","56394f791593e4190073a44b","567b3adfb56bac0d0019d8d9","569d590e5a2b060d008741eb","569ea93dffccd10d00a05c7f"],"is_deprecated":false,"is_hidden":false,"is_beta":false,"is_stable":true,"codename":"","version_clean":"2.0.0","version":"2"},"__v":3,"parentDoc":null,"category":{"_id":"569ea93dffccd10d00a05c7f","__v":5,"version":"55fc9b793c21291900e7e0d7","pages":["569ea97fd233620d007055cc","569ea9bdc237d225002df5b6","569eae7e8f6d4b0d00f13b61","569eaed5c237d225002df5bd","569eaf04c237d225002df5bf"],"project":"5553d36165e8260d0024419a","sync":{"url":"","isSync":false},"reference":false,"createdAt":"2016-01-19T21:23:09.676Z","from_sync":false,"order":11,"slug":"environment-variables","title":"Environment variables"},"user":"5553d33065e8260d00244199","updates":[],"next":{"pages":[],"description":""},"createdAt":"2016-01-19T21:24:15.647Z","link_external":false,"link_url":"","githubsync":"","sync_unique":"","hidden":false,"api":{"results":{"codes":[]},"settings":"","auth":"required","params":[],"url":""},"isReference":false,"order":0,"body":"Within the APImetrics software, an environment variable is a user-defined variable that associates a variable name with a variable. The variable is stored for re-use at various points in the APImetrics software. This saves the user from having to enter the same value multiple times with the risk of making a mistake in entering it and also means that if it is desired to change the value, it will be updated automatically at all the points it is used.   \n\nSuppose a user wants to fill in a text box with the text \n\n“Hi, my name is Davina. My email address is davina:::at:::apimetrics.com“\n\nUt may be the case that the user is required to enter her email address (or any other data string) at multiple points in the system. The user can then create a variable **email = davina@apimetrics.com** and enter the following literal text into the text box\n\n“Hi, my name is Davina. My email address is: **{{ email }}**“\n\nWhen the text in the text box is parsed by the system, the value of the variable associated with the name email (**davina@apimetrics.com**) will be inserted into and the result will be\n\n“Hi, my name is Davina. My email address is davina@apimetrics.com“\n\nIf the user changes her email address, it is only necessary to change the value of the variable **email** and the value will be inserted at all points in the system where the literal string ** {{ email }} ** is found.","excerpt":"","slug":"generalities","type":"basic","title":"Generalities"}
Within the APImetrics software, an environment variable is a user-defined variable that associates a variable name with a variable. The variable is stored for re-use at various points in the APImetrics software. This saves the user from having to enter the same value multiple times with the risk of making a mistake in entering it and also means that if it is desired to change the value, it will be updated automatically at all the points it is used. Suppose a user wants to fill in a text box with the text “Hi, my name is Davina. My email address is davina@apimetrics.com“ Ut may be the case that the user is required to enter her email address (or any other data string) at multiple points in the system. The user can then create a variable **email = davina@apimetrics.com** and enter the following literal text into the text box “Hi, my name is Davina. My email address is: **{{ email }}**“ When the text in the text box is parsed by the system, the value of the variable associated with the name email (**davina@apimetrics.com**) will be inserted into and the result will be “Hi, my name is Davina. My email address is davina@apimetrics.com“ If the user changes her email address, it is only necessary to change the value of the variable **email** and the value will be inserted at all points in the system where the literal string ** {{ email }} ** is found.