Google Slides

function createPresentation() {
  var presentation =
      Slides.Presentations.create({"title": "MyNewPresentation"});
  console.log("Created presentation with ID: " + presentation.presentationId);
}

function createSlide(presentationId) {
  // You can specify the ID to use for the slide, as long as it's unique.
  var pageId = Utilities.getUuid();

  var requests = [{
    "createSlide": {
      "objectId": pageId,
      "insertionIndex": 1,
      "slideLayoutReference": {
        "predefinedLayout": "TITLE_AND_TWO_COLUMNS"
      }
    }
  }];
  var slide =
      Slides.Presentations.batchUpdate({'requests': requests}, presentationId);
  console.log("Created Slide with ID: " + slide.replies[0].createSlide.objectId);
}

function readPageElementIds(presentationId, pageId) {
  // You can use a field mask to limit the data the API retrieves
  // in a get request, or what fields are updated in an batchUpdate.
  var response = Slides.Presentations.Pages.get(
      presentationId, pageId, {"fields": "pageElements.objectId"});
  console.log(response);
}

function addTextBox(presentationId, pageId) {
  // You can specify the ID to use for elements you create,
  // as long as the ID is unique.
  var pageElementId = Utilities.getUuid();

  var requests = [{
    "createShape": {
      "objectId": pageElementId,
      "shapeType": "TEXT_BOX",
      "elementProperties": {
        "pageObjectId": pageId,
        "size": {
          "width": {
            "magnitude": 150,
            "unit": "PT"
          },
          "height": {
            "magnitude": 50,
            "unit": "PT"
          }
        },
        "transform": {
          "scaleX": 1,
          "scaleY": 1,
          "translateX": 200,
          "translateY": 100,
          "unit": "PT"
        }
      }
    }
  }, {
    "insertText": {
      "objectId": pageElementId,
      "text": "My Added Text Box",
      "insertionIndex": 0
    }
  }];
  var response =
      Slides.Presentations.batchUpdate({'requests': requests}, presentationId);
  console.log("Created Textbox with ID: " +
      response.replies[0].createShape.objectId);
}

function formatShapeText(presentationId, shapeId) {
  var requests = [{
    "updateTextStyle": {
      "objectId": shapeId,
      "fields": "foregroundColor,bold,italic,fontFamily,fontSize,underline",
      "style": {
        "foregroundColor": {
          "opaqueColor": {
            "themeColor": "ACCENT5"
          }
        },
        "bold": true,
        "italic": true,
        "underline": true,
        "fontFamily": "Corsiva",
        "fontSize": {
          "magnitude": 18,
          "unit": "PT"
        }
      },
      "textRange": {
        "type": "ALL"
      }
    }
  }];
  var response =
      Slides.Presentations.batchUpdate({'requests': requests}, presentationId);
}