{"id":1241,"date":"2010-10-11T09:55:59","date_gmt":"2010-10-11T04:25:59","guid":{"rendered":"http:\/\/JitendraZaa.com\/blog\/?p=1241"},"modified":"2010-10-11T09:55:59","modified_gmt":"2010-10-11T04:25:59","slug":"step-by-step-salesforce-tutorial-creating-trigger-and-test-cases-6-of-6","status":"publish","type":"post","link":"https:\/\/www.jitendrazaa.com\/blog\/salesforce\/step-by-step-salesforce-tutorial-creating-trigger-and-test-cases-6-of-6\/","title":{"rendered":"Step by Step Salesforce Tutorial \u2013 Creating Trigger and Test cases \u2013 6 of 6"},"content":{"rendered":"
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  1. Creating custom object <\/a><\/li>\n
  2. Creating Fields<\/a><\/li>\n
  3. Creating Tab and Validation Rule<\/a><\/li>\n
  4. Creating Email Template<\/a><\/li>\n
  5. Creating Workflow rule<\/a><\/li>\n
  6. Creating Trigger and Test cases <\/a><\/li>\n<\/ol>\n<\/div>\n

    This is the last tutorial in series and we will see that how to create a Trigger and Test Cases<\/strong> in salesforce.<\/p>\n

    A trigger\u00a0is an\u00a0Apex\u00a0script that executes before or after specific data manipulation language (DML) events occur, such as before object records are inserted into the database, or after records have been deleted.<\/strong><\/p>\n

    Triggers are stored as metadata in\u00a0Salesforce.com. A list of all triggers in your organization is located at\u00a0Setup<\/strong> |\u00a0Develop<\/strong> |\u00a0Apex\u00a0Triggers<\/strong>.\u00a0In addition to this list, triggers are associated and stored with specific objects.<\/p>\n

    To define a trigger:<\/p>\n

    <\/p>\n

      \n
    1. For a standard object, click\u00a0Setup<\/strong> |\u00a0Customize<\/strong>, click the name of the object, then click\u00a0Triggers<\/strong>.For a custom object, click\u00a0Setup<\/strong> |\u00a0Create<\/strong> |\u00a0Objects<\/strong> and click the name of the object.For campaign members, click\u00a0Setup<\/strong> |\u00a0Customize<\/strong> |\u00a0Campaigns<\/strong> |\u00a0Campaign Member<\/strong> |\u00a0Triggers<\/strong>.For case comments, click\u00a0Setup<\/strong> |\u00a0Cases<\/strong> |\u00a0Case Comments<\/strong> |\u00a0Triggers<\/strong>.\n

      For email messages, click\u00a0Setup<\/strong> |\u00a0Cases<\/strong> |\u00a0Email Messages<\/strong> |\u00a0Triggers<\/strong>.<\/p>\n<\/li>\n

    2. In the Triggers related list, click\u00a0New<\/strong>.<\/li>\n
    3. Click\u00a0Version Settings <\/strong>to specify the version of\u00a0Apex\u00a0and the\u00a0API\u00a0used with this trigger. If your organization has installed managed packages from the\u00a0AppExchange, you can also specify which version of each managed package to use with this trigger. Generally, you should use the default values for all versions. This associates the trigger with the most recent version of\u00a0Apex\u00a0and the\u00a0API, as well as each managed package.\u00a0You can specify an older version of a managed package if you want to access components or functionality that differs from the most recent package version. You can specify an older version of\u00a0Apex\u00a0and the\u00a0API\u00a0to maintain specific behavior.<\/li>\n
    4. Select the\u00a0Is Active\u00a0checkbox if the trigger should be compiled and enabled. Leave this checkbox deselected if you only want to store the script in your organization’s metadata. This checkbox is selected by default.<\/li>\n
    5. In the\u00a0Body\u00a0text box, enter the\u00a0Apex\u00a0for the trigger. A single trigger can be up to “1 million”\u00a0characters in length.<\/li>\n<\/ol>\n

      Read this URL for Governor limit\u00a0reference<\/a>.<\/p>\n

      To define a trigger, use the following syntax:<\/p>\n

      trigger triggerName<\/var> on ObjectName<\/var> (trigger_events<\/var>) {\n   code_block<\/var>\n}<\/pre>\n
      where trigger_events can be a comma-separated list of one or more of the following events:<\/p>\n