====== Set value ======

It is possible to set the value of a parameter through either:
  * The GUI [[:01_user_documentation:03_interacting_with_groimp:02_panels:04_attribute_editor|attribute editor]] 
  * The [[:01_user_documentation:03_interacting_with_groimp:03_configuring:02_groimp_arg|command line arguments]]
  * The [[:01_user_documentation:03_interacting_with_groimp:08_parameter:05_parameter_manager|parameter manager]] (e.g. with ''savePMs'')


===== GUI =====

When a project has parameters, the [[|RGG toolbar]] get a new button which select the parameter manager in the attribute editor (see red circle in the image).

{{:01_user_documentation:05_object:08_parameter:01_parameter:btn_pm.png?250|}}

Then, the list of parameters appear sorted by file and by parameter manager.

{{:01_user_documentation:05_object:08_parameter:01_parameter:attr_editor_pm.png?400|}}

===== Command line arg =====

It is possible to set the value of a parameter for all project from a name by using the [[:01_user_documentation:03_interacting_with_groimp:03_configuring:02_groimp_arg:parameter|command line argument -P]].

-PModel.t=5 

-PModel.aze=test 

-P/home/gaetan/eclipse-workspace/test.parameters

===== Parameter manager =====

The parameter manager responsible for the parameter can store the current value of the monitored field into the parameter with specific methdos.