The parameters defined on the process definition page can apply to all the scope of the process tasks.
Global parameters are parameters that are valid for all task nodes of the entire workflow. It can be configured on the workflow definition page.
## Usage
## Usage
Usage of global parameters is: at the process define page, click the '+' beside the 'Set global' and fill in the key and value to save:
The specific use method can be determined according to the actual production situation. This example uses a shell task to print out the date value of yesterday.
The `global_bizdate` parameter defined here can be referenced by local parameters of any other task node, and set the value of `global_bizdate` by referencing the system parameter `system.biz.date`.
You could follow this guide to set global parameter: On the workflow definition page, click the plus sign to the right of "Set Global", after filling in the variable name and value, then save it