instruction: In the DeftPDF app, Add text "hello" at first page in test pdf

previous_actions: 

active_application: DeftPDF

screen_description: windows {
  bounds_in_screen {
    right: 1080
    bottom: 136
  }
  id: 6652
  layer: 1
  window_type: TYPE_SYSTEM
  tree {
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 2
    }
    nodes {
      bounds_in_screen {
        left: 145
        right: 1027
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 3
    }
    nodes {
      bounds_in_screen {
        left: 145
        top: 1
        right: 575
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        left: 575
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        left: 145
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        left: 924
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        left: 145
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 924
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 145
        top: 1
        right: 223
        bottom: 136
      }
      class_name: "android.widget.TextView"
      content_description: "1:21 PM"
      text: "1:21"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 223
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 924
        top: 1
        right: 986
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 986
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      content_description: "Battery charging, 100 percent."
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 223
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.view.ViewGroup"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 924
        top: 39
        right: 970
        bottom: 97
      }
      class_name: "android.widget.FrameLayout"
      content_description: "Wifi three bars."
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 986
        top: 51
        right: 1006
        bottom: 85
      }
      class_name: "android.widget.ImageView"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 223
        top: 1
        right: 281
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "PDF Editor notification: Get Unlimited PDF Editing For Free 🤯🔥"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 281
        top: 1
        right: 339
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Bluetooth notification: Bluetooth share: Sent files"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 339
        top: 1
        right: 397
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Download Manager notification: Img_19-07-2023_10320234.jpg"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 397
        top: 1
        right: 455
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Google Play services notification: "
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 455
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Calm notification: Mindfulness Reminder"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 473
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Google notification: 33° in New Delhi"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 473
        top: 1
        right: 513
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Google notification: Aaj Tak"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 931
        top: 39
        right: 970
        bottom: 97
      }
      class_name: "android.widget.LinearLayout"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 931
        top: 48
        right: 970
        bottom: 87
      }
      class_name: "android.widget.FrameLayout"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        left: 931
        top: 48
        right: 970
        bottom: 87
      }
      class_name: "android.widget.ImageView"
      depth: 11
    }
  }
}
windows {
  bounds_in_screen {
    right: 1080
    bottom: 2400
  }
  id: 8787
  title: "DeftPDF"
  window_type: TYPE_APPLICATION
  is_active: true
  is_focused: true
  tree {
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 2400
      }
      class_name: "android.widget.FrameLayout"
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.view.View"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        top: 2337
        right: 1080
        bottom: 2400
      }
      class_name: "android.view.View"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 2
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 3
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 304
      }
      class_name: "android.view.ViewGroup"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1080
        bottom: 2337
      }
      class_name: "android.webkit.WebView"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 189
        right: 105
        bottom: 252
      }
      class_name: "android.widget.ImageView"
      is_clickable: true
      is_focusable: true
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 416
        top: 189
        right: 665
        bottom: 252
      }
      class_name: "android.widget.ImageView"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1084
        bottom: 2339
      }
      class_name: "android.webkit.WebView"
      text: "test.pdf"
      is_focusable: true
      is_scrollable: true
      depth: 7
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1084
        bottom: 388
      }
      class_name: "android.view.View"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.ListView"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      is_focusable: true
      is_focused: true
      depth: 10
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1084
        bottom: 388
      }
      class_name: "android.view.View"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 388
      }
      class_name: "android.widget.TextView"
      text: "Go to First Page"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 388
      }
      class_name: "android.widget.TextView"
      text: "Go to Last Page"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 388
      }
      class_name: "android.widget.TextView"
      text: "Rotate Clockwise"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 388
      }
      class_name: "android.widget.TextView"
      text: "Rotate Counterclockwise"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 388
        right: 1084
        bottom: 1816
      }
      class_name: "android.view.View"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 1084
        bottom: 388
      }
      class_name: "android.view.View"
      depth: 12
    }
    nodes {
      bounds_in_screen {
        left: 28
        top: 388
        right: 1055
        bottom: 1816
      }
      class_name: "android.view.View"
      depth: 12
    }
    nodes {
      bounds_in_screen {
        top: 304
        right: 399
        bottom: 388
      }
      class_name: "android.view.View"
      depth: 13
    }
    nodes {
      bounds_in_screen {
        left: 658
        top: 304
        right: 821
        bottom: 385
      }
      class_name: "android.view.View"
      depth: 13
    }
    nodes {
      bounds_in_screen {
        left: 49
        top: 411
        right: 1031
        bottom: 1792
      }
      class_name: "android.view.View"
      depth: 13
    }
    nodes {
      bounds_in_screen {
        left: 49
        top: 411
        right: 1031
        bottom: 1792
      }
      class_name: "android.view.View"
      is_clickable: true
      depth: 13
    }
    nodes {
      bounds_in_screen {
        left: 2
        top: 306
        right: 81
        bottom: 385
      }
      class_name: "android.widget.Button"
      hint_text: "Toggle Sidebar"
      text: "Toggle Sidebar"
      is_clickable: true
      is_focusable: true
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 78
        top: 304
        right: 78
        bottom: 309
      }
      class_name: "android.widget.TextView"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 84
        top: 306
        right: 160
        bottom: 385
      }
      class_name: "android.widget.Button"
      hint_text: "Find in Document"
      text: "Find"
      is_clickable: true
      is_focusable: true
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 157
        top: 309
        right: 307
        bottom: 380
      }
      class_name: "android.widget.EditText"
      text: "1, Page"
      is_clickable: true
      is_editable: true
      is_focusable: true
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 309
        top: 306
        right: 393
        bottom: 385
      }
      class_name: "android.widget.TextView"
      text: "of 1"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 661
        top: 306
        right: 816
        bottom: 385
      }
      class_name: "android.view.View"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 49
        top: 411
        right: 1031
        bottom: 1800
      }
      class_name: "android.widget.Image"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 49
        top: 1789
        right: 1031
        bottom: 1789
      }
      class_name: "android.widget.TextView"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 661
        top: 306
        right: 740
        bottom: 385
      }
      class_name: "android.widget.Button"
      hint_text: "Zoom Out"
      text: "Zoom Out"
      is_clickable: true
      is_focusable: true
      depth: 15
    }
    nodes {
      bounds_in_screen {
        left: 737
        top: 306
        right: 816
        bottom: 385
      }
      class_name: "android.widget.Button"
      hint_text: "Zoom In"
      text: "Zoom In"
      is_clickable: true
      is_focusable: true
      depth: 15
    }
  }
}


assistant: !FUNCTIONCALL{"name": "navigate_back", "parameters": {}}