Jenkins build Project poll SCM parameters how to configure

Trigger project;

Poll SCM: Periodically check the source changes (according to the version number of the SCM software), if there is an update checkout the latest code down, and then perform the build action. The following figure configuration:
/5 * * * (check the source change every 5 minutes)

Build periodically: The cycle of project construction (it does not care whether the source is changed), as shown in the following figure configuration:
H 2 * * * * (every 2:00 must build one time source)

Fill in the Schedule 0 * * * *.

The first parameter represents the minute minute, the value 0~59;

The second parameter represents the hour hour, the value 0~23;

The third parameter represents day, value 1~31;

The fourth parameter represents the month month, and takes the value 1~12;

The last parameter represents the week week, 0~7,0 and 7 are meant for Sunday.

So 0 * * * * represents the first 0 minutes of each hour to perform the build.