I’m trying to pass a variable that is output in a template consisting of steps to another steps template in the same job the setup looks like this,

jobs:
     - job: job_git_tag
       displayName: Tag new version

       steps:
         - template: /templates/git/semantic_version_type.yaml
           parameters:
             semVersion: ${{ parameters.semVersion }}
         
         - template: /templates/git/git_tag.yaml
           parameters:
             module: ${{ parameters.module }}
             semVersion: $(Type.Semversion)

Template Semantic Version

parameters:
  - name: semVersion
    type: string
    default: auto
    values:
      - major
      - minor
      - patch
      - auto

steps:
  - ${{ if eq(variables['Build.Reason'], 'PullRequest') }}:
    - bash: |
           ### do some scripting magic and output variable
           echo "##vso[task.setvariable variable=semVersion;isOutput=true]major"
    displayName: Get semantic version type
    name: Type

Git Tag Template

parameters:
  - name: module
    type: string
  - name: semVersion
    type: string
    default: patch
    values:
      - major
      - minor
      - patch

steps:

  - bash: |
      ### here the repository is checkedout and tagged with the correction version after being bumped.
    displayName: Tag new version