how to access variables bitbucket-pipeline.yml file while triggering pipeline through Rest API

[Mukundhan R]

how to access variables in bitbucket-pipeline.yml file while triggering pipeline through Rest API with variables.

Actually, the variable is commitid and needs to reset the head commit to that commit in steps but I am facing difficulty in getting the variable.., 

[Aron Gombas _Midori_]

It is accessible with the "$VARIABLE_NAME" syntax.

See: https://support.atlassian.com/bitbucket-cloud/docs/variables-and-secrets/