Can I edit the appearance of a single chat bubble?

[foggy vigil]

i would like to edit a chat bubble when sent under certain conditions but i'm unsure how to edit a SINGLE bubble

likely obvious but if it wasn't, the image above is edited

[little vigil]

i think i know

[wheat zenith]

You wanna tell us lmao?

[little vigil]

i must test it at home after school so cant rn

[foggy vigil]

solved