import MatIconModule, import MatBadgeModule

For Icon: https://material.io/resources/icons/?icon=alarm_on&style=baseline

<mat-icon color = “primary | warn | accent”> icon code here </mat-icon>

For Badge

• matBadge: show what badge is
• matBadgePosition: show where the badge locates, such as: below | above & before | after
• matBadgeSize: small | medium | large
• matBadgeOverlap: true(default) | false
• matBadgeColor
• matBadgeHidden