**To register a single target with a maintenance window**

This example registers instance ``i-0000293ffd8c57862`` with maintenance window ``mw-06cf17cbefcb4bf4f``.

Command::

  aws ssm register-target-with-maintenance-window --window-id "mw-ab12cd34ef56gh78" --target "Key=InstanceIds,Values=i-0000293ffd8c57862" --owner-information "Single instance" --resource-type "INSTANCE"

Output::

  {
	"WindowTargetId":"1a2b3c4d-1a2b-1a2b-1a2b-1a2b3c4d-1a2"
  }

**To register multiple targets with a maintenance window**
	
This example registers two instances, with Ids ``i-0000293ffd8c57862`` and ``i-0cb2b964d3e14fd9f`` with maintenance window ``mw-06cf17cbefcb4bf4f``.

Command::

  aws ssm register-target-with-maintenance-window --window-id "mw-ab12cd34ef56gh78" --target "Key=InstanceIds,Values=i-0000293ffd8c57862,i-0cb2b964d3e14fd9f" --owner-information "Two instances in a list" --resource-type "INSTANCE"

**To register a target with a maintenance window using EC2 tags**

This example registers instance ``i-0000293ffd8c57862`` with maintenance window ``mw-06cf17cbefcb4bf4f`` using EC2 tags.

Command::

  aws ssm register-target-with-maintenance-window --window-id "mw-06cf17cbefcb4bf4f" --targets "Key=tag:Environment,Values=Prod" "Key=Role,Values=Web" --owner-information "Production Web Servers" --resource-type "INSTANCE"