1. How to set dialog alignment, fullscreen and other properties in OpenDialogAction?

UIAction openDialogAction = OpenDialogAction.build{
    userData = [:] //Key-value pairs list passed to custom component
    title = "title" //Dialog title
    width = 123 //Width and height
    maxHeight = 123 //Maximum height
    type = "FullScreen" //Display mode, currently supports 「ShowCenter (centered dialog)」 and 「FullScreen (fullscreen display)」

    component { //Component's apiName
        apiName = "comp_yuio8__c"
    }
}

return openDialogAction

2. How to close an OpenDialogAction dialog from custom component

<template>
  <div>
    <fx-button @click="handleClick">Close Dialog</fx-button>
  </div>
</template>

<script>
export default {
  methods: {
    handleClick() {
      // Execute dialog close
      this.$emit("action", {
        type: "close"
      });
    }
  }
};
</script>