In Minecraft Bedrock, it is possible to use temp variables in events to pass variables from one emitter to other emitters it will spawn.
Provided here is an emitter cub:color_spawner_with_temp, spawning another emitter cub:color.
color.particle.json
color_spawner_with_temp.particle.json
If it worked, the "color" particles would be red, not black.

In Minecraft Bedrock, it is possible to use temp variables in events to pass variables from one emitter to other emitters it will spawn.
Provided here is an emitter
cub:color_spawner_with_temp, spawning another emittercub:color.color.particle.json
color_spawner_with_temp.particle.json
If it worked, the "color" particles would be red, not black.